CVE-2026-75002CWE-77command-injection

CVE-2026-75002

High · published August 17, 2026

CVSS v3.1
7.1
EPSS
2%
Percentile
83.0
In the wild
Unconfirmed
What it is

In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or privilege escalation via IMAP command injection.

The record
Technical detail
CVSS v3.1
7.1 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:L
CVSS v4.0
Not supplied
EPSS
0.02276 · 83.0th percentile
Weakness
CWE-77 · Improper Neutralization of Special Elements used in a Command ('Command Injection')
Published
2026-08-17T17:16Z
Affected products (2)
ProductVersionsFixed in
roundcube/webmail≥ 1.6.0, < 1.6.181.6.18
roundcube/webmail≥ 1.7.0, < 1.7.31.7.3
References (5)
https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad · [email protected]https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea · [email protected]https://github.com/roundcube/roundcubemail/releases/tag/1.6.18 · [email protected]https://github.com/roundcube/roundcubemail/releases/tag/1.7.3 · [email protected]https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3 · [email protected]
EPSS history
Timeline
  • 17 AUG 12:48Z
    In Roundcube Webmail before 1.6.18 and 1.7.x before 1.7.3, mail search and LITERAL+ byte-count desynchronization could lead to information disclosure or…
    cvelistv5