{"id":"CVE-2026-55744","aliases":["GHSA-wx35-cv59-9gwr"],"url":"https://o3.security/vulnerability/CVE-2026-55744","summary":"Cotonti CSRF in PFS allows forced arbitrary file upload","details":"Cotonti 1.0.0 (master branch, commit f43f1fc3) is vulnerable to Cross-Site Request Forgery in the Personal File Storage (PFS) module. In modules/pfs/inc/pfs.main.php, the file upload action ('a=upload') processes uploaded files without calling cot_check_xg to validate the anti-CSRF token, even though sibling actions such as 'delete' (line 272) do.","published":"2026-06-18T06:06:57.715Z","modified":"2026-08-12T03:51:26.407413708Z","cvss":null,"epss":{"score":0.00177,"percentile":0.07381,"asOf":"2026-08-10"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"cotonti/cotonti","fixedVersion":null}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/55xxx/CVE-2026-55744.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-55744"},{"type":"PACKAGE","url":"https://github.com/Cotonti/Cotonti"},{"type":"ARTICLE","url":"https://github.com/Cotonti/Cotonti/blob/f43f1fc38ba4e02027786dad9dac1435c7c52b30/modules/pfs/inc/pfs.main.php#L118"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:26.407413708Z"}}