CVE-2026-125758

Description

Aptabase before commit 61d4c01 contains an authentication bypass vulnerability that allows unauthenticated attackers to forge sign-in links by using the publicly known example AUTH_SECRET. Attackers can enumerate registered e-mails via /api/_auth/signin, forge HS256 JWTs redeemed by /api/_auth/continue, impersonate users, export analytics data, and transfer app ownership.

References

• https://github.com/aptabase/aptabase/commit/61d4c01298a706d575265461ac07bb956ca7b8d2
• https://github.com/aptabase/aptabase/pull/204
• https://github.com/aptabase/aptabase/security/advisories/GHSA-gc76-cqm4-vqcf
• https://github.com/aptabase/self-hosting/commit/b79a472419ff17e485d0bd5b4adf1b1ef2b9953c
• https://www.vulncheck.com/advisories/aptabase-before-commit-61d4c01-authentication-bypass-via-known-example-auth-secret