PT-2026-87145 · Mongodb · Mongodb Server

CVE-2026-82052

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Published

2026-09-08

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Updated

2026-09-08

CVSS v3.1

6.5

Medium

VectorAV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.

Fix

Assertion Failure

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Weakness Enumeration

Related Identifiers

CVE-2026-82052

Affected Products

Mongodb Server