Unprotected Alternate Channel Affecting roundcube package, versions <1.4.3+dfsg.1-1ubuntu0.1~esm8
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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Test your applications- Snyk IDSNYK-UBUNTU2004-ROUNDCUBE-15357198
- published10 Mar 2026
- disclosed9 Feb 2026
Introduced: 9 Feb 2026
CVE-2026-25916 (opens in a new tab)How to fix?
Upgrade Ubuntu:20.04 roundcube to version 1.4.3+dfsg.1-1ubuntu0.1~esm8 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream roundcube package and not the roundcube package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.