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VULNERABILITIES

CVE-2026-82052 Details

Description

The $regexFindAll expression can be used by an authenticated user who can run aggregation pipeline stages to crash a MongoDB server (mongod). Under certain specific conditions the  regex match can start in the middle of a multi-code-unit character, triggering an assertion during query execution.

Metrics

CVSS 3.x Severity and Vector Strings:

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://jira.mongodb.org/browse/SERVER-127985 [email protected]Issue TrackingVendor Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-617Reachable Assertion[email protected]

Affected Products

ProductVersions
mongodb mongodb
>= 7.0.0, < 7.0.41
>= 8.0.0, < 8.0.30
>= 8.3.0, < 8.3.9

CPE

  • cpe:2.3:a:mongodb:mongodb:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

4 change records found show changes


QUICK INFO

CVE Dictionary Entry:
CVE-2026-82052
NVD Published Date:
Sep 8, 2026
NVD Last Modified:
Sep 16, 2026
Source:
[email protected]
CVE-2026-82052 Details - Not Deferred