CVE-2025-43926

Name	CVE-2025-43926
Description	An issue was discovered in Znuny through 6.5.14 and 7.x through 7.1.6. Custom AJAX calls to the AgentPreferences UpdateAJAX subaction can be used to set user preferences with arbitrary keys. When fetching user data via GetUserData, these keys and values are retrieved and given as a whole to other function calls, which then might use these keys/values to affect permissions or other settings.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1104739

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, sid/non-free	6.5.15-2	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
znuny	source	experimental	6.5.15-1
znuny	source	(unstable)	6.5.15-2			1104739

[bookworm] - znuny <no-dsa> (Non-free not supported)
https://www.znuny.org/en/advisories/zsa-2025-07