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HIGH

CVE-2026-93761

CVSS v3

7.5

HIGH

EPSS Score

0.5 %

exploit probability, as of 2026-09-28

CISA KEV

No

known exploited

Exploitation

—

SSVC status

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.

Technical details

Published
2026-09-18
Last Modified
2026-09-19

Frequently asked questions

What is CVE-2026-93761?

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.

Is CVE-2026-93761 actively exploited?

Active exploitation of CVE-2026-93761 has not been confirmed. Its EPSS score was 0.5% on 2026-09-28, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2026-93761?

CVE-2026-93761 has a CVSS v3 base score of 7.5 (HIGH severity).

Is CVE-2026-93761 affecting your environment?

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