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.
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Affected Vendors & Products
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Fixes
Solution
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Workaround
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References
| Link | Providers |
|---|---|
| https://jira.mongodb.org/browse/MONGOID-5981 |
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History
Fri, 18 Sep 2026 21:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| 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. | |
| Title | Denial of service via unbounded regex matching in Mongoid's in-memory query matcher | |
| Weaknesses | CWE-1333 | |
| References |
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| Metrics |
cvssV3_1
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MITRE
Status: PUBLISHED
Assigner: mongodb
Published:
Updated: 2026-09-18T17:20:34.623Z
Reserved: 2026-09-18T16:51:40.241Z
Link: CVE-2026-93761
Vulnrichment
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NVD
Status : Awaiting Analysis
Published: 2026-09-18T18:18:34.917
Modified: 2026-09-18T19:05:01.127
Link: CVE-2026-93761
Redhat
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OpenCVE Enrichment
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Weaknesses