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THREAT OPS › Threat News › [NVD] CVE-2026-55742 (CRITICAL 9.6) — 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

[NVD] CVE-2026-55742 (CRITICAL 9.6) — 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

lownvdPublished 2026-06-18

CVE-2026-55742 CVSS: 9.6 CRITICAL Published: 2026-06-18T08:16:34.100

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.

Indicators of compromise

CVE-2026-55742cve

Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-55742