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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
409 Actionable advisories published in the last 30 days (UTC), within the selected severities, against 566 in the 30 days before.
Critical
66 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

1,085 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

6001–6025 of 14,177 Critical + High advisories · newest first

Show all severities
Exploited (CISA KEV) only
  6. Critical, CVSS 9.9

    Mattermost allows authenticated users to write files to arbitrary locations

    Go github.com/mattermost/mattermost/server/v8 · Upgrade to 10.8.1, 10.7.3, 10.6.6 or 3 more by release line · < 8.0.0-20250519205859-65aec10162f6; >= 10.5.0, <= 10.5.5; >= 9.11.0, <= 9.11.15; >= 10.8.0, <= 10.8.0; >= 10.7.0, <= 10.7.2; >= 10.6.0, <= 10.6.5 · +1 more package

  11. Critical, CVSS 9.3Exploited · CISA KEV

    Langflow Unauth RCE

    PyPI langflow · Upgrade to 1.3.0 or later · < 1.3.0 · +1 more package

  12. Critical, CVSS 9.8

    Teleport allows remote authentication bypass

    Go github.com/gravitational/teleport · Upgrade to 17.5.2, 16.5.12, 15.5.3 or 3 more by release line; some affected versions have no fix yet · >= 17.0.0, < 17.5.2; >= 16.0.0, < 16.5.12; >= 15.0.0, < 15.5.3; >= 14.0.0, < 14.4.1; >= 13.0.0, < 13.4.27; >= 0.0.11, < 12.4.35; <= 0.0.0-20250616162021-79b2f26125a1

  16. High, CVSS 8.7

    Apache Tomcat - DoS in multipart upload

    Maven org.apache.tomcat:tomcat-catalina +1 · Upgrade all 2 to 11.0.8, 10.1.42 or 9.0.106 by release line; some affected versions have no fix yet · >= 11.0.0-M1, <= 11.0.7; >= 10.1.0-M1, <= 10.1.41; >= 9.0.0.M1, <= 9.0.105; >= 8.5.0, <= 8.5.100

  23. High, CVSS 8.6

    XWiki's required right warnings for macros are incomplete

    Maven org.xwiki.platform:xwiki-platform-security-requiredrights-default +3 · Upgrade all 4 to 17.0.0, 16.10.3 or 16.4.7 by release line · >= 15.9-rc-1, < 16.4.7; >= 16.5.0-rc-1, < 16.10.3; >= 17.0.0-rc-1, < 17.0.0

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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