CVE-2026-75002

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.

CVSS v3 7.1 HIGH

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://github.com/roundcube/roundcubemail/commit/404d43f1b0125319c3cf8c9e3df39074c0cb80ad	Patch
https://github.com/roundcube/roundcubemail/commit/73233abe581b3b31cefd00041c7086c40e1793ea	Patch
https://github.com/roundcube/roundcubemail/releases/tag/1.6.18	Release Notes
https://github.com/roundcube/roundcubemail/releases/tag/1.7.3	Release Notes
https://roundcube.net/news/2026/08/09/security-updates-1.6.18-and-1.7.3	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:roundcube:webmail::::::::
	cpe:2.3:a:roundcube:webmail::::::::

History

No history.

Information

Published : 2026-08-17 13:16

Updated : 2026-09-08 18:59

NVD link : CVE-2026-75002

Mitre link : CVE-2026-75002

CVE.ORG link : CVE-2026-75002

JSON object : View

Products Affected

roundcube

webmail

CWE

CWE-77

Improper Neutralization of Special Elements used in a Command ('Command Injection')

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