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Know what to patch next.

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

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

At a glance

New
972 Actionable advisories published in the last 30 days (UTC), within the selected severities, against 1,080 in the 30 days before.
Critical
67 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

2,251 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

6301–6325 of 30,985 matching · newest first

Exploited (CISA KEV) onlyClear filters
  13. Medium, CVSS 6.5

    Mattermost doesn't prevent disclosure of created user password

    Go github.com/mattermost/mattermost/server/v8 · Upgrade to 11.5.2, 11.4.4, 10.11.14 or 8.0.0-20260311102650-3057ae7e83e9 (pre-release) by release line · >= 11.5.0, < 11.5.2; >= 10.11.0, < 10.11.14; >= 11.4.0, < 11.4.4; < 8.0.0-20260311102650-3057ae7e83e9 · +1 more package

  18. Medium, CVSS 4.3

    Mattermost doesn't check public/private permissions

    Go github.com/mattermost/mattermost/server/v8 · Upgrade to 11.5.2, 11.4.4 or 10.11.14 by release line · >= 11.5.0, < 11.5.2; >= 11.4.0, < 11.4.4; >= 10.11.0, < 10.11.14 · +1 more package

  24. Medium, CVSS 4.3

    Mattermost doesn't validate 7zip archive structure before processing

    Go github.com/mattermost/mattermost/server/v8 · Upgrade to 11.5.2, 11.4.4, 10.11.14 or 8.0.0-20260325191733-fb11968f8798 (pre-release) by release line · >= 11.5.0, < 11.5.2; >= 10.11.0, < 10.11.14; >= 11.4.0, < 11.4.4; < 8.0.0-20260325191733-fb11968f8798 · +1 more package

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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