Vulnerability in Roundcube Webmail
CVE-2026-35541
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.
EPSS: 0.000 (2.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N.
Affected products
- Roundcube Webmail — versions 0, 1.6.0
Weakness classification (CWE)
References
- roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
- github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
- github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e249…
- github.com/roundcube/roundcubemail/releases/tag/1.6.14
- github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793…
- github.com/roundcube/roundcubemail/releases/tag/1.5.14
- github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c…
Frequently asked questions
- What is CVE-2026-35541?
- CVE-2026-35541 is a medium-severity vulnerability in Roundcube Webmail, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 4.2/10. Published 2026-04-03.
- How severe is CVE-2026-35541?
- Medium severity. CVSS v3 base score is 4.2 out of 10.