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Patch Next
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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
437 Actionable advisories published in the last 30 days (UTC), within the selected severities, against 533 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
119 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.

Activity · last 26 weeks

1,076 actionable advisories published since 8 Sep 2026; busiest day 7 Oct 2026 with 73. 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

1–12 of 12 matching · newest first

Show all severities
Exploited (CISA KEV) only29 Jun 2026 ×Clear filters
  3. Critical, CVSS 9.1

    Apache Tomcat util accepted misconfigured CRLs

    Maven org.apache.tomcat:tomcat-util · Upgrade to 11.0.23, 10.1.56 or 9.0.119 by release line · >= 11.0.0-M1, <= 11.0.22; >= 10.1.0-M7, <= 10.1.55; >= 9.0.83, <= 9.0.118

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