Advisoriesby IbisMongoDBCVE-2026-93761
MongoDB Mongoid: regular expression denial of service
No fix yet
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 versions
| Package | Affected | Fixed in |
|---|---|---|
| Mongoid Product | >= 7.2.0, <= 7.2.6 | No fix yet |
| >= 7.3.0, <= 7.3.5 | No fix yet | |
| >= 7.4.0, <= 7.4.3 | No fix yet | |
| >= 7.5.0, <= 7.5.4 | No fix yet |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-1333