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2026-10-17 21:56 CEST · Intelligence refreshed (Europe/Stockholm)

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Vendor and product names are suggested from the active PostgreSQL intelligence index as you type. Choose Campaign / advisory for named operations such as BADBOX, BADBOX 2.0, NotPetya or ransomware campaigns. Exact product excludes fuzzy identities; Vendor search discovers manufacturer-linked records. Auto detect still recognizes structured IDs such as CVEs, KBs, GHSAs and FLASH/CERT identifiers.
Latest synchronized CVE
CVSS 4.3 Published 2026-10-17 21:00 CEST
Vendor
Affected products
1 affected products/devices 1 software
General vulnerability query Recent High & critical CVEs

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CVSS 9.1/10 Critical severity

First published: 13 October 2026, 21:00 CEST · Last modified: 17 October 2026, 01:20 CEST

CVE lookup — correlated security and lifecycle intelligence

· 9 sources correlated

Critical severity — prioritize remediation

ASP.NET Core Security Feature Bypass Vulnerability

SeverityCVSS 9.1Critical · Remote / network
ExploitationNone reportedEPSS 0.8% chance in 30 days
Affected products38 products12 OS · 26 softwareSupply chain3 downstream productsacross 1 vendor

Why this rating

  • It can be exploited remotely over the network.
  • Rated critical (CVSS 9.1); no exploitation is reported in current sources.
  • 3 products from other vendors bundle or depend on the affected component.

What to do

  1. Install Microsoft update KB5130036, KB5130034, KB5130035 on affected Windows/Microsoft systems.
  2. Check your inventory against the 38 affected products — start with internet-facing systems.
  3. For products that bundle the component, follow each vendor's own advisory for its fixed release.
Vendor
Affected products
,
,
,
,
+27 more

Affected products (examples)

Click to open the full list
Microsoft Microsoft.AspNetCore.App.Runtime.linux-armMicrosoft Microsoft.AspNetCore.App.Runtime.linux-arm64Microsoft Microsoft.AspNetCore.App.Runtime.linux-musl-armMicrosoft Microsoft.AspNetCore.App.Runtime.linux-musl-arm64Microsoft Microsoft.AspNetCore.App.Runtime.linux-musl-x64Microsoft Microsoft.AspNetCore.App.Runtime.linux-x64Microsoft ASP.NET Core 10.0Microsoft ASP.NET Core 11.0Microsoft ASP.NET Core 8.0Microsoft ASP.NET Core 9.0All 38 →

What the vulnerability is

Inconsistent interpretation of http requests ('http request/response smuggling') in ASP.NET Core allows an unauthorized attacker to bypass a security feature over a network.

Detailed evidence Everything below supports the summary above. Open only what you need.

Direct connected intelligence KBs, campaigns & Oracle
Connected intelligence Direct relationships for
Matched intelligence coverage 9 sources
Microsoft KB EUVD Vulnrichment GHSA OSV EPSS CWE CVE Affected Products
Supply-chain / downstream affected products 3 downstream

This view separates downstream/bundled/advisory-derived exposure from direct product assertions. It is correlation evidence, not proof that every listed deployment is exploitable; vendor/version/configuration validation still applies.

3downstream products
1vendors / ecosystems

Representative downstream relationships

Microsoft ASP.NET Core 10.0 Software · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft ASP.NET Core 8.0 Software · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence
Microsoft ASP.NET Core 9.0 Software · Product-associated assertion · NVD/CVE catalog · supporting vendor/advisory evidence

Complete downstream evidence

Every downstream product relationship Scantide currently correlates for this CVE is listed below. Expand a category to inspect all products and their provenance.

Software · 3 relationships
Microsoft ASP.NET Core 10.0 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft ASP.NET Core 8.0 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence
Microsoft ASP.NET Core 9.0 Microsoft
Vendor/advisory-supported Product-associated Assertion Source: NVD/CVE catalog high confidence

Top downstream vendor ecosystems

Open complete affected inventory Open downstream vendor relationships
Cross-source correlations 9 matched lanes

Direct intelligence-source relationships

Direct intelligence-source lanes: every lane below has direct evidence for

in that Scantide intelligence collection. Lanes share the CVE as their join key; their presence together does not imply that one source explicitly referenced another source's record.

9 matched source lanes
Microsoft KB / MSRC · 6 ENISA EUVD CISA Vulnrichment GitHub Advisory OSV EPSS MITRE CWE CVE / NVD catalog Affected products/devices · 38
Downstream affected vendors 1 vendors

Affected vendor/product relationships

These vendors are derived from affected product/device evidence tied to this CVE. This is intentionally separate from the direct intelligence-source lanes above: a vendor can have affected products without Scantide having a vendor-specific advisory or Microsoft KB record for the CVE.

 1 affected vendors represented

Affected software, operating systems, hardware and devices 38

Deduplicated across Scantide's structured CVE, NVD applicability, CSAF, vendor advisory, campaign and downstream product evidence. Taxonomy IDs and evidence-only identifiers are excluded from the asset count. Counts represent relationships Scantide can currently prove, not the theoretical maximum downstream ecosystem.

12Operating systems
26Software / applications
NVD/CVE catalog 6CISA Vulnrichment 14Microsoft Kb 3GitHub Advisory 13Osv 24
Expand all affected categories (38) How can this affect my environment?
Software (26 — click to show all)
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA Vulnrichmenthigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA VulnrichmentCorroborated: Microsoft Kbhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA Vulnrichmenthigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: NVD/CVE catalogCorroborated: CISA Vulnrichmenthigh confidence
Vendor: Microsoft
Software Affected range: version 10.0 — before 10.0.13 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: CISA Vulnrichmentmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: CISA Vulnrichmentmedium-high confidence
Vendor: Microsoft
Software Affected range: version 11.0 — before 11.0.0-rc.2 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Software Affected range: version 8.0 — before 8.0.32 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Software Affected range: version 9.0 — before 9.0.21 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Software Affected range: version 17.14.0 — before 17.14.42 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Microsoft
Software Affected range: version 18.10.0 — before 18.10.4 Product-associated Assertion
Primary: CISA Vulnrichment — structured affected recordhigh confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub AdvisoryCorroborated: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub AdvisoryCorroborated: Osvmedium-high confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Software Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Operating systems and platforms (12 — click to show all)
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Microsoft
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: GitHub Advisory — structured affected recordCorroborated: GitHub AdvisoryCorroborated: Osv — structured affected recordCorroborated: Osvhigh confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
Vendor: Not identified in correlated evidence
Operating systems and platforms Affected range: All listed or unspecified versions Product-associated Assertion
Primary: Osvmedium-high confidence
What each source says 3
European vulnerability intelligence: ENISA EUVD cross-reference: EUVD-2026-99700.
Exploit probability: Estimated exploitation probability 0.83% — percentile 56.7%.
Vulnerability summary: ASP.NET Core Security Feature Bypass Vulnerability
GitHub package advisories 1
Microsoft Security Advisory CVE-2026-70188 - ASP.NET Core Security Feature Bypass Vulnerability
GitHub Advisory
GHSA-FPQ8-4VHR-RCXX Published 2026-10-13T20:37:27Z Updated 2026-10-13T20:37:28Z

## Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Kestrel accepts newline characters in HTTP/2 request trailers and values retrieved from the dynamic HPACK table instead of treating them as malformed. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/462 ## CVSS Details - **Version:** 3.1 - **Severity:** Critical - **Score:** 9.1 - **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N` - **Weakness:** CWE-444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')) ## Affected Platforms - **Platforms:** Windows, Linux, macOS - **Architectures:** All ## <a name="affected-packages"></a>Affected Packages The vulnerability affects Microsoft .NET projects that use an affected pac…

GHSA-FPQ8-4VHR-RCXX
Related products
Read full advisory Open GitHub advisory or evidenceOpen source at www.nuget.orgOpen source at www.nuget.orgOpen source at www.nuget.orgOpen source at www.nuget.orgOpen source at www.nuget.org
OSV advisories 1
Microsoft Security Advisory CVE-2026-70188 - ASP.NET Core Security Feature Bypass Vulnerability
OSV
GHSA-fpq8-4vhr-rcxx CRITICAL Published 2026-10-13T20:37:27Z Updated 2026-10-13T20:45:16.223797369Z

## Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Microsoft.AspNetCore.Server.Kestrel.Core. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. Kestrel accepts newline characters in HTTP/2 request trailers and values retrieved from the dynamic HPACK table instead of treating them as malformed. ## Announcement Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/462 ## CVSS Details - **Version:** 3.1 - **Severity:** Critical - **Score:** 9.1 - **Vector:** `CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N` - **Weakness:** CWE-444 (Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')) ## Affected Platforms - **Platforms:** Windows, Linux, macOS - **Architectures:** All ## <a name="affected-packages"></a>Affected Packages The vulnerability affects Microsoft .NET projects that use an affected pac…

GHSA-FPQ8-4VHR-RCXX
Related products
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-arm — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-arm64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-musl-arm — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-musl-x64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-x64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-x64
  • NuGet / Microsoft.AspNetCore.App.Runtime.osx-arm64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.osx-arm64
  • NuGet / Microsoft.AspNetCore.App.Runtime.osx-x64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.osx-x64
  • NuGet / Microsoft.AspNetCore.App.Runtime.win-arm64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-arm64
  • NuGet / Microsoft.AspNetCore.App.Runtime.win-x64 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-x64
  • NuGet / Microsoft.AspNetCore.App.Runtime.win-x86 — ECOSYSTEM: introduced 11.0.0-preview.1, fixed 11.0.0-rc.2
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.win-x86
  • NuGet / Microsoft.AspNetCore.App.Runtime.linux-arm — ECOSYSTEM: introduced 8.0.0, fixed 8.0.32
    pkg:nuget/Microsoft.AspNetCore.App.Runtime.linux-arm
Read full advisory Open GitHub advisory or evidenceOpen GitHub advisory or evidenceOpen source at www.nuget.orgOpen source at www.nuget.orgOpen source at www.nuget.orgOpen source at www.nuget.org
Microsoft security update correlation 6

Microsoft CVE ↔ KB relationships from MSRC CVRF and Microsoft Support. Multiple rows can exist for one KB when product/build applicability or support-page evidence differs.

KB5130036
ASP.NET Core 10.0 MSRC CVRF
Open Microsoft update guidance
KB5130034
ASP.NET Core 8.0 MSRC CVRF
Open Microsoft update guidance
KB5130036
ASP.NET Core 10.0 MSRC CVRF
Open Microsoft update guidance
KB5130035
ASP.NET Core 9.0 MSRC CVRF
Open Microsoft update guidance
KB5130034
ASP.NET Core 8.0 MSRC CVRF
Open Microsoft update guidance
KB5130035
ASP.NET Core 9.0 MSRC CVRF
Open Microsoft update guidance
Evidence coverage

Correlated from multiple vulnerability, exploitation, advisory, package and affected-product intelligence collections.

Technical query coverage · 17 collections queried · 1 CVEs correlated
2026-10-17 21:56 CESTIntelligence refreshed
1unique CVEs queried and enriched
1unique CVEs correlated to this result
2unique advisories correlated
17intelligence collections queried
Affected-product scope: The product/device count is the deduplicated set Scantide can prove from its currently ingested structured records and advisory text. It is not a claim that only those products were affected; component vulnerabilities such as Log4Shell can have a much larger downstream ecosystem. Advisory and vendor references are kept clickable so additional downstream exposure can be followed to the authoritative source.
Coverage note: Scantide correlates multiple public and locally indexed intelligence sources, but no dataset or matching process is complete. Results may omit software, dependencies, affected versions or advisories, and related records do not by themselves prove that a specific installation is vulnerable. Confirm important findings against vendor guidance and the installed product and version.