CVE-2026-93761 Denial of service via unbounded regex matching in Mongoid's in-memory query matcher

An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications that place user-supplied text into a pattern-matching query...

CVE-2026-93761

CVE-2026-93761 affects the Mongoid library (MongoDB's Ruby ODM). The vulnerability resides in the in-memory query evaluation component , where an inefficient regular expression complexity issue (ReDoS) can be triggered when user-supplied text is placed into a pattern-matching query condition on a...

Denial of service via unbounded regex matching in Mongoid's in-memory query matcher

An inefficient regular expression complexity issue in the in-memory query evaluation component of the Mongoid library may allow an unauthenticated party to cause excessive processing within an embedding application process. Applications that place user-supplied text into a pattern-matching query...