CVE-2026-93761
High
Description
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.
SeverityHigh
CVSS7.5
Exploit probability—
Product
Mongodb Mongoid
PublishedSep 18, 2026
First seenSep 18, 2026
Weakness typeCWE-1333CWE-1333
How to fix
Update
- mongodb mongoid8.0.13, 8.1.13, 9.0.12 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mongodb mongoid | 8.0.0 ≤ v < 8.0.13, 8.1.0 ≤ v < 8.1.13, 9.0.0 ≤ v < 9.0.12, 9.1.0 | 8.0.13, 8.1.13, 9.0.12 |
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