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

CVE-2026-93761

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

Description (CNA)

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 condition on an embedded association may become unresponsive.

Affected (CNA)

Vendor / product	Versions
MongoDB Inc. / Mongoid	affected 7.2.0 through 7.2.6; affected 7.3.0 through 7.3.5; affected 7.4.0 through 7.4.3; affected 7.5.0 through 7.5.4; affected 7.6.0 through 7.6.1; affected 8.0.0 through 8.0.12; affected 8.1.0 through 8.1.12; affected 9.0.0 through 9.0.11; affected 9.1.0

CWE

CWE-1333

References

https://jira.mongodb.org/browse/MONGOID-5981

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.