CVE-2026-93761

EUVD-2026-83207
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.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 39.87%
Affected Products (NVD)
VendorProductVersion
mongodbmongoid
8.0.0 ≤
𝑥
< 8.0.13
mongodbmongoid
8.1.0 ≤
𝑥
< 8.1.13
mongodbmongoid
9.0.0 ≤
𝑥
< 9.0.12
mongodbmongoid
9.1.0
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jira.mongodb.org/browse/MONGOID-5981