LOW 2.3 NVD
CVE-2026-121413
Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 contains an authorization bypass in the session upgrade endpoint, which creates a new session for an
Parse Server before 8.6.112 and 9.0.0 before 9.10.6-alpha.4 contains an authorization bypass in the session upgrade endpoint, which creates a new session for any valid session token without enforcing the _Session class create class-level permission. Attackers holding a user's session token can send an already revocable token to /upgradeToRevocableSession to obtain additional sessions with fresh expiration that persist after the original session is logged out.
References
- https://github.com/parse-community/parse-server/pull/10808
- https://github.com/parse-community/parse-server/pull/10809
- https://github.com/parse-community/parse-server/security/advisories/GHSA-2j2x-c587-q33g
- https://www.vulncheck.com/advisories/parse-server-before-8.6.112-and-9.0.0-before-9.10.6-a
This low severity vulnerability with a CVSS score of 2.3 was published on 2026-11-03 via NVD.
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