CVE-2026-35541

EUVD-2026-18585
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Incorrect password comparison in the password plugin could lead to type confusion that allows a password change without knowing the old password.
Type Confusion
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.2 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 15.7%
Affected Products (NVD)
VendorProductVersion
roundcubewebmail
𝑥
< 1.5.14
roundcubewebmail
1.6.0 ≤
𝑥
< 1.6.14
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
roundcube
bookworm
1.6.5+dfsg-1+deb12u9
fixed
bookworm (security)
1.6.5+dfsg-1+deb12u10
fixed
bullseye
vulnerable
bullseye (security)
1.4.15+dfsg.1-1+deb11u10
fixed
forky
1.6.17+dfsg-1
fixed
sid
1.6.18+dfsg-1
fixed
trixie
1.6.16+dfsg-0+deb13u1
fixed
trixie (security)
1.6.17+dfsg-0+deb13u1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
roundcube
bionic
needs-triage
focal
needs-triage
jammy
needs-triage
noble
needs-triage
questing
ignored
resolute
needs-triage
xenial
ignored
Common Weakness Enumeration
References
https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394
https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4
https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14