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CVE-2026-32248 is a critical severity vulnerability with a CVSS score of 9.8. No known exploits currently, and patches are available.
Very low probability of exploitation
EPSS predicts the probability of exploitation in the next 30 days based on real-world threat data, complementing CVSS severity scores with actual risk assessment.
An unauthenticated attacker can take over any user account that was created with an authentication provider that does not validate the format of the user identifier (e.g. anonymous authentication). By sending a crafted login request, the attacker can cause the server to perform a pattern-matching query instead of an exact-match lookup, allowing the attacker to match an existing user and obtain a valid session token for that user's account. Both MongoDB and PostgreSQL database backends are affected. Any Parse Server deployment that allows anonymous authentication (enabled by default) is vulnerable.
The fix enforces that the user identifier in authentication data is a string before using it in a database query. Non-string values are rejected with a validation error.
There is no known workaround.
| Vendor | Product |
|---|---|
| Parseplatform | Parse Server |
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