CVE-2026-35545
MEDIUM severity · CVSS 5.3 · CWE-669
5.3CVSS MEDIUM
Summary
An issue was discovered in Roundcube Webmail before 1.5.15 and 1.6.15. The remote image blocking feature can be bypassed via SVG content in an e-mail message. This may lead to information disclosure or access-control bypass. This involves the animate element with attributeName=fill/filter/stroke.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46 ↗
Additional information
- NVD record
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46Patch
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88Patch
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221bPatch
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15Advisory
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6