{"id":30332,"date":"2026-09-29T08:30:58","date_gmt":"2026-09-29T00:30:58","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-102266"},"modified":"2026-09-29T08:30:58","modified_gmt":"2026-09-29T00:30:58","slug":"cve-2026-102266","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-102266","title":{"rendered":"CVE-2026-102266 [HIGH] &#8211; PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HM"},"content":{"rendered":"<p>PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HMACAlgorithm.from_jwk is affected because PyJWK verification path used the decoded key without applying prepare_key validation. This occurs when a trusted JWK Set contains an oct entry with an empty k value. As a result, an attacker signs an HMAC token with the same zero-length key accepted by PyJWT. Consequently, forged token can carry arbitrary authenticated claims. This issue is fixed in version 2.14.0.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>PyJWT is a Python implementation of JSON Web Token standards. From 2.13.0 until 2.14.0, HMACAlgorithm.from_jwk is affected because PyJWK verification path used the decoded key without applying prepare<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-30332","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/30332","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=30332"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30332"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30332"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}