CVE-2026-55742

Cotonti: Cross-Site Request Forgery in the administration rights handler

Published 18 Jun 2026Modified 10 Aug 2026CWE 352

In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.

Severity by source

GHSA9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Trivy's own label is CRITICAL. Rated critical by GHSA.

Description

Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the administration rights handler. In system/admin/admin.rights.php, the rights update action ('a=update') modifies group access rights (including via cot_auth_add_group) without calling cot_check_xg to validate the anti-CSRF token.

Affected packages and fixed versions

Source	Package	Fixed in
composer::GitHub Security Advisory Composer	cotonti/cotonti	no fix listed

References

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