CVE-2026-56312

Capgo before 12.128.2 contains an improper validation vulnerability in the acceptinvitation endpoint that creates user accounts before captcha validation is enforced. Attackers can bypass captcha protection by sending POST requests with invalid captcha tokens to create unwanted accounts and burn...

CVE-2026-56331

Capgo before 12.128.2 contains improper error handling in the /private/acceptinvitation endpoint that returns HTTP 500 instead of safe 4xx errors when magicinvitestring is invalid. Attackers can trigger this vulnerability using only the public key by submitting malformed magicinvitestring values ...

CVE-2026-56331 Capgo - Improper Error Handling in Accept Invitation Endpoint via Invalid Magic String

Capgo before 12.128.2 contains improper error handling in the /private/acceptinvitation endpoint that returns HTTP 500 instead of safe 4xx errors when magicinvitestring is invalid. Attackers can trigger this vulnerability using only the public key by submitting malformed magicinvitestring values ...

CVE-2026-56331

Capgo before 12.128.2 is affected by improper error handling in the /private/accept_invitation endpoint. The vulnerability causes HTTP 500 errors instead of safe 4xx responses when magic_invite_string is invalid, potentially leaking internal processing details. Attackers can trigger this using on...