CVE-2026-62644

In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, the password plugin of the Roundcube Webmail was subject to username spoofing via session data, which could lead to account takeover.

CVSS 3.1

9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS

0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-25)

CWE

CWE-290

Published

2026-07-14

Modified

2026-10-24

Record from

the NVD, synced 2026-10-25

Affected

• roundcube:webmail

References

• https://github.com/roundcube/roundcubemail/commit/5cdc6a48b40beabff7f0bf5d9035f4491e877e4c
• https://github.com/roundcube/roundcubemail/commit/7414fef51cd2407d39faab99680763f10ed5231d
• https://github.com/roundcube/roundcubemail/commit/83150ce04d689a70f92d511bcae40adba8d55476
• https://github.com/roundcube/roundcubemail/commit/9a96c20d8c7c9135876b68bebd6960af3ee60923
• https://github.com/roundcube/roundcubemail/releases/tag/1.6.17

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