{"id":16542,"date":"2026-09-04T19:05:26","date_gmt":"2026-09-04T11:05:26","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-42462"},"modified":"2026-09-04T19:05:26","modified_gmt":"2026-09-04T11:05:26","slug":"cve-2026-42462","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-42462","title":{"rendered":"CVE-2026-42462 [HIGH] &#8211; Fedify is a TypeScript library for building federated server apps powered by ActivityPub."},"content":{"rendered":"<p>Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3, an attacker can make use of JSON-LD features to restructure a JSON-LD document that would change how Fedify interprets it without changing its Linked Data Signature, allowing them to alter a third-party signed activity they have received. Versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3 fix the issue.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fedify is a TypeScript library for building federated server apps powered by ActivityPub. Prior to versions 1.9.11, 1.10.10, 2.0.18, 2.1.14, and 2.2.3, an attacker can make use of JSON-LD features to <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-16542","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/16542","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=16542"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=16542"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=16542"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}