VulnerabilityAnalyzed
CVE-2026-35545
The remote image blocking feature can be bypassed via SVG content in an e-mail message.
HIGH 8.2EPSS 0.39%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.39%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
- EPSS
- 0.39% probability · 33th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-669
- Affected
- roundcube/webmail
- Source
- cve@mitre.org
References
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46Patch
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88Patch
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221bPatch
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15Release Notes
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6Release Notes
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.