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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?

At a glance

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.

Activity · last 26 weeks

2,191 actionable advisories published since 8 Sep 2026; busiest day 7 Oct 2026 with 138. Every covered package ecosystem, by publish date (UTC). To list one day, use Published on in the feed filters.

Advisories per daypartial: Before 8 Sep 2026 coverage is partial (hatched days).

Actionable

1–25 of 55 matching · newest first

Exploited (CISA KEV) only12 Jun 2026 ×Clear filters
  1. High, CVSS 7.2

    TYPO3 CMS: Destructive Actions on File Mount Folders

    Packagist typo3/cms-core · Upgrade to 14.3.3, 13.4.31, 12.4.46 or 2 more by release line · < 10.4.57; >= 11.0.0, < 11.5.51; >= 12.0.0, < 12.4.46; >= 13.0.0, < 13.4.31; >= 14.0.0, < 14.3.3

  2. High, CVSS 7.1

    TYPO3 CMS has Broken Access Control in its Media Module

    Packagist typo3/cms-filelist +1 · Upgrade all 2 to 14.3.3, 13.4.31, 12.4.46 or 11.5.51 by release line · >= 11.0.0, < 11.5.51; >= 12.0.0, < 12.4.46; >= 13.0.0, < 13.4.31; >= 14.0.0, < 14.3.3

  3. Medium, CVSS 6.3

    TYPO3 CMS has Insecure Deserialization via Core API

    Packagist typo3/cms-core · Upgrade to 14.3.3, 13.4.31, 12.4.46 or 2 more by release line · < 10.4.57; >= 11.0.0, < 11.5.51; >= 12.0.0, < 12.4.46; >= 13.0.0, < 13.4.31; >= 14.0.0, < 14.3.3

  4. Medium, CVSS 5.3

    TYPO3 CMS has Broken Access Control in Backend API

    Packagist typo3/cms-backend +1 · Upgrade all 2 to 14.3.3, 13.4.31, 12.4.46 or 2 more by release line · < 10.4.57; >= 11.0.0, < 11.5.51; >= 12.0.0, < 12.4.46; >= 13.0.0, < 13.4.31; >= 14.0.0, < 14.3.3

  5. Medium, CVSS 5.3

    TYPO3 CMS: Broken Access Control in Media Module

    Packagist typo3/cms-backend +1 · Upgrade all 2 to 14.3.3, 13.4.31, 12.4.46 or 2 more by release line · < 10.4.57; >= 11.0.0, < 11.5.51; >= 12.0.0, < 12.4.46; >= 13.0.0, < 13.4.31; >= 14.0.0, < 14.3.3

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