CVE-2026-62644

Published Jul 14, 2026 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4693-1 roundcube security update
Debian DSA Debian DSA DSA-6391-1 roundcube security update
History
Type Values Removed Values Added
Title Roundcube Webmail Password Plugin Allows Username Spoofing and Account Takeover
Type Values Removed Values Added
Title Roundcube Webmail Password Plugin Allows Username Spoofing and Account Takeover
Type Values Removed Values Added
Title Roundcube Username Spoofing via Session Data Manipulation
Type Values Removed Values Added
Title Roundcube Username Spoofing via Session Data Manipulation
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
First Time appeared Roundcube
Roundcube webmail
Weaknesses CWE-290
CPEs cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*
Vendors & Products Roundcube
Roundcube webmail
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 14, 2026, 5:15 PM
Reserved
Jul 14, 2026, 3:55 PM
Status
Analyzed
Published
Jul 14, 2026, 4:17 PM
Modified
Oct 24, 2026, 9:10 PM