CVE-2026-35545
highpriority · track · 33EPSS 0.004 · 33 %ileDEEURUUSEPSS · scored 2026-10-26
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
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.3–8.2
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (14)
Products and version ranges known to be affected.
advisories (2)
Vendor and ecosystem advisories describing this.
- WID-SEC-W-2026-0789Roundcube: Mehrere SchwachstellenDeutsch2026-03-18csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Roundcube ausnutzen, um Dateien zu manipulieren, um Sicherheitsvorkehrungen zu umgehen, um einen Cross-Site Scripting Angriff durchzuführen, und um Informationen offenzulegen.
- GHSA-w846-74jr-76cvRoundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message2026-04-03ghsa · osvUS
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.
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (22)
External citations — patches, advisories, analysis.
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46cnnvd
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88cnnvd
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221bcnnvd
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15cnnvd
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15cnnvd
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6cnnvd
- https://roundcube.net/download/Patchcnnvd
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15cnnvd
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