{"id":81248,"date":"2026-06-30T00:46:35","date_gmt":"2026-06-29T21:16:35","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2026-57997-strapi-users-permissions-jwt-algorithm-confusion-via-missing-algorithm-configuration\/"},"modified":"2026-06-30T00:46:35","modified_gmt":"2026-06-29T21:16:35","slug":"cve-2026-57997-strapi-users-permissions-jwt-algorithm-confusion-via-missing-algorithm-configuration","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2026-57997-strapi-users-permissions-jwt-algorithm-confusion-via-missing-algorithm-configuration\/","title":{"rendered":"CVE-2026-57997 &#8211; Strapi users-permissions &#8211; JWT Algorithm Confusion via Missing Algorithm Configuration"},"content":{"rendered":"<p>CVE ID :CVE-2026-57997<\/p>\n<p>  Published : June 29, 2026, 9:16 p.m. | 29\u00a0minutes ago<\/p>\n<p>  Description :Strapi users-permissions plugin fails to restrict JWT algorithms when plugin::users-permissions.jwt.algorithm is not explicitly configured, allowing acceptance of HS384 and HS512 tokens alongside HS256. Attackers possessing the jwtSecret can mint tokens with non-standard HMAC variants to bypass algorithm restrictions and weaken authentication controls.<\/p>\n<p>  Severity: 6.3 | MEDIUM<\/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-2026-57997 Published : June 29, 2026, 9:16 p.m. | 29\u00a0minutes ago Description :Strapi users-permissions plugin fails to restrict JWT algorithms when plugin::users-permissions.jwt.algorithm is not explicitly configured, allowing acceptance of HS384 and HS512 tokens alongside HS256. Attackers possessing the jwtSecret can mint tokens with non-standard HMAC variants to bypass algorithm restrictions and weaken authentication &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-81248","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81248","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=81248"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/81248\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=81248"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=81248"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=81248"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}