Know what to patch next.

Published open-source security advisories, matched to the exact versions you run.

Run in a terminal

$ claude mcp add --scope user --transport http patchnext https://mcp.patchnext.com && claude mcp login patchnext

Your browser opens: sign in and choose what the agent may read.

Then ask: What do I need to patch on this machine?

New: 982 Actionable advisories published in the last 30 days (UTC), within the selected severities, against 1,020 in the 30 days before.
Critical: 68 Actionable advisories published in the last 30 days (UTC) and rated CVSS 9.0 or higher, within the selected severities.

Exploited: 132 All actionable advisories, of any publish date, that CISA's Known Exploited Vulnerabilities catalog confirms are exploited in the wild, within the selected severities. Show them in the feed.

Advisories per daypartial

Actionable

1–25 of 29 matching · newest first

Exploited 11 Nov 2026 ×Clear filters

Unrated11 Nov 2026
HTTP/1 server crash due to MaxBytesReader header race in net/http
Go stdlib · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97054
11 Nov 2026Evidence →
Unrated11 Nov 2026
Arbitrary code execution during build on darwin via "-l to_library" in cgo in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97036
11 Nov 2026Evidence →
Unrated11 Nov 2026
Flag sanitization bypass via "#cgo pkg-config:" directives in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97039
11 Nov 2026Evidence →
Unrated11 Nov 2026
Arbitrary command execution via GCC spec files in cgo linker search directories in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97034
11 Nov 2026Evidence →
Unrated11 Nov 2026
Unexpected code execution and arbitrary file write via Clang -gen-* and GCC -gnat* flags in cgo in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97035
11 Nov 2026Evidence →
Unrated11 Nov 2026
Linker flag injection via cgo_import_dynamic and PE DLL names in cmd/cgo, cmd/compile, and cmd/link
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97042
11 Nov 2026Evidence →
Unrated11 Nov 2026
Host linker flag injection via //go:cgo_* directives in cmd/compile and cmd/link
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97041
11 Nov 2026Evidence →
Unrated11 Nov 2026
Cgo directive injection via .syso files disguised as Go object files in cmd/go and cmd/link
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97040
11 Nov 2026Evidence →
Unrated11 Nov 2026
Unexpected code execution via escaped quotes in //go:cgo_ldflag in cmd/go and cmd/compile
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97043
11 Nov 2026Evidence →
Unrated11 Nov 2026
Arbitrary code execution via crafted .syso files and cgo linker input files in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97038
11 Nov 2026Evidence →
Unrated11 Nov 2026
Linker script injection via split -Wl, flags and Darwin or symbol linker flags in cgo in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97037
11 Nov 2026Evidence →
Unrated11 Nov 2026
Unexpected code execution via --sysroot, -target, -isysroot, -Wl,-syslibroot, and -x cgo flags in cmd/go
Go toolchain · Upgrade to 1.27.4 or 1.26.11 by release line · < 1.26.11; >= 1.27.0-0, < 1.27.4 · CVE-2026-97033
11 Nov 2026Evidence →
High, CVSS 8.811 Nov 2026
Microsoft Security Advisory CVE-2026-118745 - Visual Studio Remote Code Execution Vulnerability
NuGet microsoft.netcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0, < 8.0.34; >= 9.0.0, < 9.0.23; >= 10.0.0, < 10.0.15; >= 11.0.0-preview.1, < 11.0.0 · CVE-2026-118745 · GHSA-x8x8-p968-x646 · amended
11 Nov 2026Evidence →
High, CVSS 8.811 Nov 2026
Microsoft Security Advisory CVE-2026-114152 - Visual Studio Remote Code Execution Vulnerability
NuGet microsoft.netcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0, < 8.0.34; >= 9.0.0, < 9.0.23; >= 10.0.0, < 10.0.15; >= 11.0.0-preview.1, < 11.0.0 · CVE-2026-114152 · GHSA-xf35-v9jh-g65w · amended
11 Nov 2026Evidence →
High, CVSS 7.511 Nov 2026
Microsoft Security Advisory CVE-2026-105544 - .NET Elevation of Privilege Vulnerability
NuGet microsoft.testplatform.cli · Upgrade to 18.11.1, 18.10.2, 18.7.1 or 6 more by release line; some affected versions have no fix yet · >= 17.2.0-preview-20220301-01, < 17.3.4; >= 17.3.1, < 17.3.4; >= 17.3.2, < 17.3.4; >= 17.3.3, < 17.3.4; >= 17.8.0, < 17.8.1; >= 17.11.0, < 17.11.2; >= 17.11.1, < 17.11.2; >= 17.12.0, < 17.12.1; >= 17.14.0, < 17.14.2; >= 17.14.1, < 17.14.2; >= 18.0.0, < 18.0.2; >= 18.0.1, < 18.0.2; >= 18.7.0, < 18.7.1; >= 18.10.0, < 18.10.2; >= 18.10.1, < 18.10.2; >= 18.11.0, < 18.11.1; >= 17.4.0, <= 17.4.0; >= 17.4.1, <= 17.4.1; >= 17.5.0, <= 17.5.0; >= 17.6.0, <= 17.6.0; >= 17.6.1, <= 17.6.1; >= 17.6.2, <= 17.6.2; >= 17.6.3, <= 17.6.3; >= 17.7.0, <= 17.7.0; >= 17.7.1, <= 17.7.1; >= 17.7.2, <= 17.7.2; >= 17.9.0, <= 17.9.0; >= 17.10.0, <= 17.10.0; >= 17.13.0, <= 17.13.0; >= 18.3.0, <= 18.3.0; >= 18.4.0, <= 18.4.0; >= 18.5.0, <= 18.5.0; >= 18.5.1, <= 18.5.1; >= 18.6.0, <= 18.6.0; >= 18.8.0, <= 18.8.0; >= 18.8.1, <= 18.8.1; >= 18.9.0, <= 18.9.0; >= 17.4.0-preview-20220707-01, <= 17.4.0-preview-20220707-01; >= 17.4.0-preview-20220726-02, <= 17.4.0-preview-20220726-02; >= 17.4.0-preview-20221003-03, <= 17.4.0-preview-20221003-03; >= 17.4.0-release-20220926-01, <= 17.4.0-release-20220926-01; >= 17.5.0-preview-20221003-04, <= 17.5.0-preview-20221003-04; >= 17.5.0-preview-20221221-03, <= 17.5.0-preview-20221221-03; >= 17.6.0-preview-20230223-05, <= 17.6.0-preview-20230223-05; >= 17.7.0-preview-23364-03, <= 17.7.0-preview-23364-03; >= 17.7.0-preview.23280.1, <= 17.7.0-preview.23280.1; >= 17.8.0-preview-23371-04, <= 17.8.0-preview-23371-04; >= 17.8.0-preview-23424-02, <= 17.8.0-preview-23424-02; >= 17.8.0-release-23468-02, <= 17.8.0-release-23468-02; >= 17.9.0-preview-23503-02, <= 17.9.0-preview-23503-02; >= 17.9.0-preview-23531-01, <= 17.9.0-preview-23531-01; >= 17.9.0-preview-23577-04, <= 17.9.0-preview-23577-04; >= 17.9.0-release-23619-01, <= 17.9.0-release-23619-01; >= 17.10.0-preview-24080-01, <= 17.10.0-preview-24080-01; >= 17.10.0-release-24177-07, <= 17.10.0-release-24177-07; >= 17.11.0-release-24352-06, <= 17.11.0-release-24352-06; >= 17.11.0-release-24373-02, <= 17.11.0-release-24373-02; >= 17.14.0-preview-25107-01, <= 17.14.0-preview-25107-01; >= 17.3.0, < 17.3.4 · GHSA-6856-87hx-p5x7
11 Nov 2026Evidence →
High, CVSS 8.811 Nov 2026
Microsoft Security Advisory CVE-2026-114151 - Visual Studio Remote Code Execution Vulnerability
NuGet microsoft.netcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0, < 8.0.34; >= 9.0.0, < 9.0.23; >= 10.0.0, < 10.0.15; >= 11.0.0-preview.1, < 11.0.0 · CVE-2026-114151 · GHSA-fpxj-5c99-g7vj · amended
11 Nov 2026Evidence →
High, CVSS 8.811 Nov 2026
Microsoft Security Advisory CVE-2026-114158 - Visual Studio Remote Code Execution Vulnerability
NuGet microsoft.netcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0, < 8.0.34; >= 9.0.0, < 9.0.23; >= 10.0.0, < 10.0.15; >= 11.0.0-preview.1, < 11.0.0 · CVE-2026-114158 · GHSA-r8h3-p8p6-ggp7 · amended
11 Nov 2026Evidence →
High, CVSS 8.811 Nov 2026
Microsoft Security Advisory CVE-2026-114159 - Visual Studio Remote Code Execution Vulnerability
NuGet microsoft.netcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0, < 8.0.34; >= 9.0.0, < 9.0.23; >= 10.0.0, < 10.0.15; >= 11.0.0-preview.1, < 11.0.0 · CVE-2026-114159 · GHSA-3cgx-w6gm-fqrx · amended
11 Nov 2026Evidence →
High, CVSS 7.311 Nov 2026
Microsoft Security Advisory CVE-2026-120792 - Aspire Information Disclosure Vulnerability
NuGet aspire.cli.linux-musl-x64 +11 · Upgrade all 12 to 13.6.5 or later · >= 13.3.0, < 13.6.5 · CVE-2026-120792 · GHSA-q6jf-24jf-m3cg · amended
11 Nov 2026Evidence →
High, CVSS 7.311 Nov 2026
Microsoft Security Advisory CVE-2026-120778 - Aspire Elevation of Privilege Vulnerability
NuGet aspire.cli.linux-musl-x64 +11 · Upgrade all 12 to 13.6.5 or later · >= 13.3.0, < 13.6.5 · CVE-2026-120778 · GHSA-m63f-xhvm-6mv5 · amended
11 Nov 2026Evidence →
High, CVSS 7.511 Nov 2026
Microsoft Security Advisory CVE-2026-114154 - ASP.NET Core Denial of Service Vulnerability
NuGet microsoft.aspnetcore.server.httpsys · Upgrade to 2.3.14 or later · >= 2.3.10, < 2.3.14; >= 2.3.11, < 2.3.14; >= 2.3.12, < 2.3.14; >= 2.3.13, < 2.3.14 · +3 more packages · CVE-2026-114154 · GHSA-3893-7fxc-qvff · amended
11 Nov 2026Evidence →
High, CVSS 7.511 Nov 2026
Microsoft Security Advisory CVE-2026-114157 - ASP.NET Core Security Feature Bypass Vulnerability
NuGet microsoft.aspnetcore.app.runtime.win-x86 +2 · Upgrade all 3 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0-preview.1.23112.2, < 8.0.34; >= 9.0.0-preview.1.24081.5, < 9.0.23; >= 10.0.0-preview.1.25120.3, < 10.0.15; >= 11.0.0-preview.1.26104.118, < 11.0.0 · CVE-2026-114157 · GHSA-7phj-vgxq-r67h · amended
11 Nov 2026Evidence →
Medium, CVSS 6.511 Nov 2026
Microsoft Security Advisory CVE-2026-114156 - ASP.NET Core Security Feature Bypass Vulnerability
NuGet microsoft.aspnetcore.app.runtime.linux-arm64 +10 · Upgrade all 11 to 11.0.0 or later · >= 11.0.0-preview.7.26381.103, < 11.0.0 · CVE-2026-114156 · GHSA-8w29-6cjc-h6w4 · amended
11 Nov 2026Evidence →
High, CVSS 7.511 Nov 2026
Microsoft Security Advisory CVE-2026-114147 - ASP.NET Core Denial of Service Vulnerability
NuGet microsoft.aspnetcore.app.runtime.linux-arm64 +11 · Upgrade all 12 to 11.0.0, 10.0.15, 9.0.23 or 8.0.34 by release line · >= 8.0.0-preview.1.23112.2, < 8.0.34; >= 9.0.0-preview.1.24081.5, < 9.0.23; >= 10.0.0-preview.1.25120.3, < 10.0.15; >= 11.0.0-preview.1.26104.118, < 11.0.0 · CVE-2026-114147 · GHSA-wr8v-9x5q-ggcm · amended
11 Nov 2026Evidence →
High, CVSS 7.511 Nov 2026
Microsoft Security Advisory CVE-2026-109478 - ASP.NET Core Denial of Service Vulnerability
NuGet microsoft.aspnetcore.app.runtime.linux-arm64 +10 · Upgrade all 11 to 9.0.0-preview.4.24267.6 (pre-release) or 8.0.34 by release line · >= 8.0.0-preview.1.23112.2, < 8.0.34; >= 9.0.0-preview.1.24081.5, < 9.0.0-preview.4.24267.6; >= 9.0.0-preview.2.24128.4, < 9.0.0-preview.4.24267.6; >= 9.0.0-preview.3.24172.13, < 9.0.0-preview.4.24267.6 · CVE-2026-109478 · GHSA-r3qf-p3jm-8h4p · amended
11 Nov 2026Evidence →

A vendor fix does not resolve your finding until you verify it in your own systems.

News

Security reports that are not matched to your stack.

CISA security events · all vendors

NewsExploited · CISA KEV10 Nov 2026
Cisco BroadWorks Improper Restriction of XML External Entity Reference Vulnerability
NewsExploited · CISA KEV10 Nov 2026
Barracuda Networks Email Security Gateway (ESG) Authentication Bypass Using an Alternate Path or Channel Vulnerability
NewsExploited · CISA KEV10 Nov 2026
Openwave Messaging Limited Webtop Media Transcoder Incorrect Resource Transfer Between Spheres Vulnerability
NewsExploited · CISA KEV10 Nov 2026
Google Chromium Use-After-Free Vulnerability
NewsExploited · CISA KEV10 Nov 2026
Microsoft Office Outlook Missing User Interaction for Potentially Unsafe Action Vulnerability

Advisory watch · no fix evidence

NewsUnratednpm11 Nov 2026
Malicious code in chalks-log (npm)
Listed as news: the source report lacks affected versions, a fix, or verified evidence.
NewsUnratednpm11 Nov 2026
Malicious code in prettlog (npm)
Listed as news: the source report lacks affected versions, a fix, or verified evidence.
NewsUnratednpm11 Nov 2026
Malicious code in @solana-trade/core (npm)
Listed as news: the source report lacks affected versions, a fix, or verified evidence.
NewsUnratednpm11 Nov 2026
Malicious code in termchalk (npm)
Listed as news: the source report lacks affected versions, a fix, or verified evidence.
NewsUnratednpm11 Nov 2026
Malicious code in kbmathlessons (npm)
Listed as news: the source report lacks affected versions, a fix, or verified evidence.

Browse all news

Know what to patch next.

At a glance

Activity · last 26 weeks

Actionable

News

CISA security events · all vendors

Advisory watch · no fix evidence