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CVE-2026-93761

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

Published
Last modified
published
Not listed in CISA KEV
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: yes
  • Technical impact: partial

Summary

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.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: yes · Technical impact: partial

  3. Record last updated

Affected versions

  • MongoDB Inc. Mongoid

    From 7.2.0 · through 7.2.6; From 7.3.0 · through 7.3.5; From 7.4.0 · through 7.4.3; From 7.5.0 · through 7.5.4; From 7.6.0 · through 7.6.1; From 8.0.0 · through 8.0.12; From 8.1.0 · through 8.1.12; From 9.0.0 · through 9.0.11

References 1

jira.mongodb.org