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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
934 Actionable advisories published in the last 30 days (UTC), within the selected severities, against 1,115 in the 30 days before.
Critical
62 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.

Activity · last 26 weeks

2,293 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

8701–8725 of 31,057 matching · newest first

Exploited (CISA KEV) onlyClear filters
  25. Medium, CVSS 5.0

    Mattermost doesn't set permissions on downloaded bulk export

    Go github.com/mattermost/mattermost-server · Upgrade to 11.4.1, 11.3.2, 11.2.4 or 2 more by release line · >= 11.4.0-rc1, < 11.4.1; >= 11.3.0-rc1, < 11.3.2; >= 11.2.0-rc1, < 11.2.4; >= 10.11.0-rc1, < 10.11.12; >= 8.0.0-20260105080200-d27a2195068d, < 8.0.0-20260217110922-b7d4a1f1f59b

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

Advisory watch · no fix evidence

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