CVE-2026-25916

State: Published
Severity: 4.3 Medium
Published: Feb 9, 2026
Updated: Feb 9, 2026
Reserved: Feb 9, 2026

Description

Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.

Scores

CVSS	Score	Vector	Source
3.1	4.3 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N	mitre

Weaknesses

CWE-420 Unprotected Alternate Channel

Affected Products

Product	Versions
WebmailRoundcube	before 1.5.13Affected 1.6.0 to before 1.6.13Affected

References

https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/
https://github.com/roundcube/roundcubemail/commit/26d7677
https://news.ycombinator.com/item?id=46937012

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