Medium severity · published Apr 3, 2026
CVE-2026-35541
An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14
4.2
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WE
Webmail · Roundcube
before 1.5.14; 1.6.0 before 1.6.14 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-35541
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-35541
Patch
https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394
Patch
https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4
Patch
https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
More from Webmail
9.8
CVE-2021-44026
Roundcube Webmail SQL Injection Vulnerability
9.8
CVE-2020-12641
Roundcube Webmail Remote Code Execution Vulnerability
9.3
CVE-2024-42009
RoundCube Webmail Cross-Site Scripting Vulnerability
8.8
CVE-2025-49113
RoundCube Webmail Deserialization of Untrusted Data Vulnerability
7.8
CVE-2017-16651
Roundcube Webmail File Disclosure Vulnerability