CVEvulnerability

CVE-2026-82052

7.1 HIGH Published 2026-09-08 Modified 2026-09-16 Official page ↗
Status
Analyzed
Published
2026-09-08
Last modified
2026-09-16
Assigner
[email protected]
CVSS 4.0 ([email protected])
7.1 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:Y/R:A/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weaknesses
CWE-617

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.

Affected configurations

• mongodb mongodb (>= 7.0.0 < 7.0.41) • mongodb mongodb (>= 8.0.0 < 8.0.30) • mongodb mongodb (>= 8.3.0 < 8.3.9)

Related

Weakness · CWE (1)

  • CWE-617 Reachable Assertion weakness

References