{"id":"CVE-2021-36567","aliases":["GHSA-qrvj-274h-hfcg"],"url":"https://o3.security/vulnerability/CVE-2021-36567","summary":"Deserialization of Untrusted Data in topthink/framework","details":"ThinkPHP v6.0.8 was discovered to contain a deserialization vulnerability via the component League\\Flysystem\\Cached\\Storage\\AbstractCache.","published":"2021-12-06T21:15:07.753Z","modified":"2026-07-08T22:13:31.868873Z","cvss":{"score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"epss":{"score":0.02407,"percentile":0.82684,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"topthink/framework","fixedVersion":null}],"fix":null,"references":[{"type":"EVIDENCE","url":"https://github.com/top-think/framework/issues/2561"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:31.868873Z"}}