CVE-2026-35545
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.6.15+dfsg-0+deb13u1 |
| sid | Fixed | 1.6.15+dfsg-1 |
| forky | Fixed | 1.6.15+dfsg-1 |
| bullseye | Fixed | 1.4.15+dfsg.1-1+deb11u8 |
| bookworm | Fixed | 1.6.5+dfsg-1+deb12u8 |
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Packagist | roundcube/roundcubemail | >=1.7-beta,<1.7-rc5 | 1.7-rc5 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2026-35545
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221b
- https://github.com/roundcube/roundcubemail
- 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
- https://roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15
- https://security-tracker.debian.org/tracker/CVE-2026-35545
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.