CVE-2026-35538 PUBLISHED

Assigner: mitre
Reserved: 03.04.2026 Published: 03.04.2026 Updated: 03.04.2026

An issue was discovered in Roundcube Webmail before 1.5.14 and 1.6.14. Unsanitized IMAP SEARCH command arguments could lead to IMAP injection or CSRF bypass during mail search.

Metrics

CVSS 3.1

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

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	None
Privileges Required	Low	Integrity Impact	Low
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Roundcube
Product	Webmail
Versions	Default: unaffected affected from 0 to 1.5.14 (excl.) affected from 1.6.0 to 1.6.14 (excl.)

References

https://roundcube.net/news/2026/03/18/security-updates-1.7-rc5-1.6.14-1.5.14
https://github.com/roundcube/roundcubemail/releases/tag/1.7-rc5
https://github.com/roundcube/roundcubemail/commit/5fe8a69956a9683a4269f3ad2a68e18deebf8a15
https://github.com/roundcube/roundcubemail/releases/tag/1.6.14
https://github.com/roundcube/roundcubemail/commit/b18a8fa8e81571914c0ff55d4e20edb459c6952c
https://github.com/roundcube/roundcubemail/releases/tag/1.5.14
https://github.com/roundcube/roundcubemail/commit/7daf5aa9c190ccc75bb31672d8fee9938877fd64

Problem Types

CWE-88 Improper Neutralization of Argument Delimiters in a Command ('Argument Injection') CWE