CVE-2025-26842 Affecting znuny package, versions <6.5.13-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published22 Aug 2026
- disclosed8 May 2025
Introduced: 8 May 2025
CVE-2025-26842 (opens in a new tab)How to fix?
Upgrade Echo:latest znuny to version 6.5.13-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream znuny package and not the znuny package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
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.