CVE-2026-35545

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Summary

CVECVE-2026-35545
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 05:16:22 UTC
Updated2026-04-07 20:37:57 UTC
DescriptionAn 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.

Risk And Classification

Primary CVSS: v3.1 8.2 HIGH from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS: 0.000340000 probability, percentile 0.100660000 (date 2026-04-07)

Problem Types: CWE-669 | CWE-669 CWE-669 Incorrect Resource Transfer Between Spheres

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary8.2HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
3.1[email protected]Secondary5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
3.1CNACVSS5.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Roundcube Webmail All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.5.15 semver Not specified
CNA Roundcube Webmail affected 1.6.0 1.6.15 semver Not specified

References

ReferenceSourceLinkTags
github.com/roundcube/roundcubemail/releases/tag/1.5.15 [email protected] github.com Release Notes
github.com/roundcube/roundcubemail/commit/7ad62de184368bf42c0f522d1aacc0... [email protected] github.com Patch
roundcube.net/news/2026/03/29/security-updates-1.7-rc6-1.6.15-1.5.15 [email protected] roundcube.net Vendor Advisory
github.com/roundcube/roundcubemail/commit/9d18d524f3cc211003fc99e2e54eed... [email protected] github.com Patch
github.com/roundcube/roundcubemail/releases/tag/1.7-rc6 [email protected] github.com Release Notes
github.com/roundcube/roundcubemail/releases/tag/1.6.15 [email protected] github.com Release Notes
github.com/roundcube/roundcubemail/commit/fe1320b199d3a2f58351bb699c9ed4... [email protected] github.com Patch
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