MEDIUM 6.9 NVD
CVE-2026-121728
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
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.
References
- https://blog.arusekk.pl/posts/srht-disabled-registration-bypass/
- https://git.sr.ht/~sircmpwn/meta.sr.ht/commit/1ea24685a76f6456245d0bc7fe6accf6231c4044
- https://git.sr.ht/~sircmpwn/meta.sr.ht/commit/e471ffe75bb6ef11366e46c3b721dd0278f746b5
- https://git.sr.ht/~sircmpwn/meta.sr.ht/refs/0.89.0
- https://git.sr.ht/~sircmpwn/meta.sr.ht/tree/0.88.9/item/metasrht/blueprints/auth.py#L121
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-11-03 via NVD.
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