CVE-2025-26842 — Incorrect Authorization in Znuny

CWE-863 — Incorrect Authorization4 documents4 sources
Severity
7.5HIGHNVD
EPSS
0.3%
top 47.79%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
ZnunyDebian Znuny
Timeline
PublishedMay 8

Description

An issue was discovered in Znuny through 7.1.3. If access to a ticket is not given, the content of S/MIME encrypted e-mail messages is visible to users with access to the CommunicationLog.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NExploitability: 3.9 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/znuny< znuny 6.5.13-1 (forky)
▶Debianznuny/znuny< 6.5.13-1+1
▶NVDznuny/znuny7.1.3

🔴Vulnerability Details

2
GHSA
GHSA-c2x5-mpj8-v9v9: An issue was discovered in Znuny through 7↗2025-05-08
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OSV
CVE-2025-26842: An issue was discovered in Znuny through 7↗2025-05-08
▶

📋Vendor Advisories

1
Debian
CVE-2025-26842: znuny - An issue was discovered in Znuny through 7.1.3. If access to a ticket is not giv...↗2025
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