{"id":"CVE-2026-121728","published":"2026-11-03T23:17:36.217","lastModified":"2026-11-03T23:17:36.217","description":"SourceHut meta.sr.ht 0.56.11 before 0.89.0 contains an authorization bypass vulnerability that allows unauthenticated attackers to register accounts when public registration is disabled. Attackers can obtain a CSRF token from /login and POST credentials to /register/step2, which invokes the unchecked GraphQL RegisterAccount mutation to create accounts.","cvssScore":5.3,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","cwes":["CWE-862"],"vendors":[],"products":[],"references":[{"url":"https://blog.arusekk.pl/posts/srht-disabled-registration-bypass/","tags":[]},{"url":"https://git.sr.ht/~sircmpwn/meta.sr.ht/commit/1ea24685a76f6456245d0bc7fe6accf6231c4044","tags":[]},{"url":"https://git.sr.ht/~sircmpwn/meta.sr.ht/commit/e471ffe75bb6ef11366e46c3b721dd0278f746b5","tags":[]},{"url":"https://git.sr.ht/~sircmpwn/meta.sr.ht/refs/0.89.0","tags":[]},{"url":"https://git.sr.ht/~sircmpwn/meta.sr.ht/tree/0.88.9/item/metasrht/blueprints/auth.py#L121","tags":[]},{"url":"https://www.vulncheck.com/advisories/sourcehut-meta-sr-ht-0.56.11-before-0.89.0-registration-authorization-bypass-via-register-step2","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}