{"id":80641,"date":"2026-06-16T20:46:42","date_gmt":"2026-06-16T17:16:42","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-53776-perry-0-5-1166-jwt-expiration-bypass-via-verify_decode\/"},"modified":"2026-06-16T20:46:42","modified_gmt":"2026-06-16T17:16:42","slug":"cve-2026-53776-perry-0-5-1166-jwt-expiration-bypass-via-verify_decode","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-53776-perry-0-5-1166-jwt-expiration-bypass-via-verify_decode\/","title":{"rendered":"CVE-2026-53776 &#8211; Perry &lt; 0.5.1166 JWT Expiration Bypass via verify_decode"},"content":{"rendered":"<p>CVE ID :CVE-2026-53776<\/p>\n<p>  Published : June 16, 2026, 5:16 p.m. | 25\u00a0minutes ago<\/p>\n<p>  Description :Perry before 0.5.1166 contains a JWT validation vulnerability that allows remote attackers to bypass token expiration by exploiting the unconditional setting of validate_exp = false in the verify_decode helper within the stdlib JWT verification path. Attackers in possession of a previously issued bearer token can present expired tokens to any jwt.verify() call and retain authenticated access indefinitely, bypassing force-expired sessions such as user logout or administrative revocation.<\/p>\n<p>  Severity: 9.3 | CRITICAL<\/p>\n<p>  Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID :CVE-2026-53776 Published : June 16, 2026, 5:16 p.m. | 25\u00a0minutes ago Description :Perry before 0.5.1166 contains a JWT validation vulnerability that allows remote attackers to bypass token expiration by exploiting the unconditional setting of validate_exp = false in the verify_decode helper within the stdlib JWT verification path. Attackers in possession of a previously &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-80641","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80641","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=80641"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/80641\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=80641"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=80641"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=80641"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}