CVE-2025-39665

NameCVE-2025-39665
DescriptionUser enumeration in Nagvis' Checkmk MultisiteAuth before version 1.9.48 allows an unauthenticated attacker to enumerate Checkmk usernames.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nagvis (PTS)bullseye1:1.9.25-2vulnerable
bullseye (security)1:1.9.25-2+deb11u2vulnerable
bookworm1:1.9.34-1vulnerable
trixie1:1.9.47-1vulnerable
forky, sid1:1.9.48-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nagvissource(unstable)1:1.9.48-1

Notes

[trixie] - nagvis <no-dsa> (Minor issue)
[bookworm] - nagvis <no-dsa> (Minor issue)
https://github.com/NagVis/nagvis/pull/411
Fixed by: https://github.com/NagVis/nagvis/commit/1a3d3ed21fb974da952ce2df13f20c2884626ebe (nagvis-1.9.48)

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