CVE-2026-937618.7HighCWE-1333
CVE-2026-93761: Denial of service via unbounded regex matching in Mongoid's in-memory query matcher
MongoDB Inc. · Mongoid
No fix listed · Affected: MongoDB Inc. Mongoid · Exploitation: not established
ExploitationNot established
Not in CISA KEV as of catalogue 2026.11.13 (13 Nov)
- In CISA KEV: not seen
- Exploited (reported): not seen
- Scanning observed: not seen
- Proof of concept public: not seen
- Not establishedNothing in the sources we check
0.5%probability of exploitation in the next 30 days
40th percentile
050100
Higher than 40% of scored CVEs
8.7HighCVSS 4.0
LowMediumHighCrit.
DescriptionNVD
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.
On the Atlas
Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.
- Exploitation
- Unlikely (under 1%). EPSS under 1%, or no score yet.
- CISA KEV
- Not listed
- Public check
- No public nuclei template
- Vendor
- MongoDB Inc.
- Published
- September 2026
CoverageNo articles yet
No CyberSIXT article names CVE-2026-93761 yet. New articles appear here and in the RSS feed.