CVE-2026-25916

EUVD-2026-6937
Roundcube Webmail before 1.5.13 and 1.6 before 1.6.13, when "Block remote images" is used, does not block SVG feImage.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
mitreCNA
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: 13%
Debian logo
Debian Releases
Debian Product
Codename
roundcube
bookworm
vulnerable
bookworm (security)
1.6.5+dfsg-1+deb12u7
fixed
bullseye
vulnerable
bullseye (security)
1.4.15+dfsg.1-1+deb11u7
fixed
forky
1.6.13+dfsg-1
fixed
sid
1.6.13+dfsg-1
fixed
trixie
vulnerable
trixie (security)
1.6.13+dfsg-0+deb13u1
fixed
Common Weakness Enumeration
References
https://github.com/roundcube/roundcubemail/commit/26d7677
https://news.ycombinator.com/item?id=46937012
https://nullcathedral.com/posts/2026-02-08-roundcube-svg-feimage-remote-image-bypass/