Vulnerability Report

CVE-2026-35541

Title: Roundcube Webmail password plugin type confusion allows password change

Other

Proof Of Concept

No public PoC currently indexed for CVE-2026-35541.

CWE Category CWE-843

Published Date Apr 03, 2026

Modified Date Jul 24, 2026

Exploit Status Not Found

Score 4.2 CVSS v3.1

Exploit Probability (EPSS)

0.24%

Vulnerability Summary

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.

Impacted Vendors

cobalt 1

roundcube 1

vdesk 1

Reference Links

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

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

4.2

Attack Vector

NETWORK

Complexity

HIGH

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns