Roundcube Webmail: Remote image blocking feature can be bypassed via SVG content in an e-mail message
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.
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describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2026-35545US | high8.2 | — | ||
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 info… | ||||
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references
External citations — patches, advisories, analysis.
- https://github.com/roundcube/roundcubemailPACKAGE
- https://github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc030f5ddcc46WEB
- https://github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed09a2f3da88WEB
- https://github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4316e73221bWEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.5.15WEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.6.15WEB
- https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc6WEB
- https://nvd.nist.gov/vuln/detail/CVE-2026-35545ADVISORY
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