Medium severity5.3NVD Advisory· Published Nov 4, 2026· Updated Nov 4, 2026
CVE-2026-121965
CVE-2026-121965
Description
Parse Server before 8.6.113 and 9.0.0 before 9.10.6-alpha.5 contains a prototype pollution vulnerability when building objects for Cloud Code triggers and LiveQuery, where a dot notation key whose intermediate segment resolves through an inherited member writes onto a process-wide built-in. Clients with write access to an object in a class with a trigger or LiveQuery can corrupt a built-in function, making unrelated requests fail until restart and denying service to all clients and hosted applications.
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Affected products
1- Range: <8.6.113, <9.10.6-alpha.5
Patches
Vulnerability mechanics
References
4- github.com/parse-community/parse-server/pull/10810nvd
- github.com/parse-community/parse-server/pull/10811nvd
- github.com/parse-community/parse-server/security/advisories/GHSA-95hp-82c6-25q5nvd
- www.vulncheck.com/advisories/parse-server-before-8.6.113-and-9.10.6-alpha.5-prototype-pollution-via-dot-notation-keynvd
News mentions
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