CVE-2026-35543

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-35543
StatePUBLISHED
Assignermitre
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-04-03 05:16:22 UTC
Updated2026-04-03 05:16:22 UTC
DescriptionAn issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. The remote image blocking feature can be bypassed via SVG content (with animate attributes) in an e-mail message. This may lead to information disclosure or access-control bypass.

Risk And Classification

Primary CVSS: v3.1 5.3 MEDIUM from [email protected]

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

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

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

CVSS v3.1 Breakdown

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

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Roundcube Webmail affected 1.5.14 semver Not specified
CNA Roundcube Webmail affected 1.6.0 1.6.14 semver Not specified

References

ReferenceSourceLinkTags
github.com/roundcube/roundcubemail/commit/1a63e01542bff42aaa71c00c4c279a... [email protected] github.com
github.com/roundcube/roundcubemail/commit/82ab5eca7b332fce7a174b2b987f09... [email protected] github.com
roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 [email protected] roundcube.net
github.com/roundcube/roundcubemail/commit/39471343ee081ce1d31696c456a2c1... [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.6.14 [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.7-rc5 [email protected] github.com
github.com/roundcube/roundcubemail/releases/tag/1.5.14 [email protected] github.com
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