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Vulnerability record · CVE-2026-35541 · published 3 April 2026

CVE-2026-35541: Roundcube webmail type confusion vulnerability

Roundcube · Webmail

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.

4.2 CVSS 3.1 Medium EPSS 0.31% · top 78.2% CWE-843 · Type confusion
4.2CVSS 3.1 base score
0.31%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
7References
24 Jul 2026Last modified by NVD

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/roundcube/roundcubemail/commit/2e6a99b2a38110907ea8d3be8e59ec3d5802c394 Patch
https://github.com/roundcube/roundcubemail/commit/6a275676a8043083c05c961914d830b79e2490d4 Patch
https://github.com/roundcube/roundcubemail/commit/6fa2bddc59b9c9fd31cad4a9e2954a208d793dce Patch
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 Release Notes
https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14 Vendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2026-35541), CISA KEV, FIRST EPSS (scores of 2026-10-01). This page is refreshed as NVD updates the record.