| Name | CVE-2026-50591 |
| Description | IN Znuny LTS before 6.5.21 and Znuny before 7.3.3, XSS can occur via stored user preferences. |
| Source | CVE (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 Package | Release | Version | Status |
|---|
| znuny (PTS) | bookworm/non-free | 6.5.1-1 | vulnerable |
| trixie/non-free | 6.5.15-2 | vulnerable |
| forky/non-free, sid/non-free | 6.5.21-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| znuny | source | (unstable) | 6.5.21-1 | | | |
Notes
[trixie] - znuny <no-dsa> (Non-free not supported)
[bookworm] - znuny <no-dsa> (Non-free not supported)
https://www.znuny.org/en/advisories/zsa-2026-11