VULNERABILITY INTELLIGENCE

CVE-2026-13055

CVSS score6.5 MEDIUM
EPSS probability0.40%
CISA KEVNot currently listed
Published2026-07-22
Last modified2026-10-24
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Description

The `$_internalIndexKey` aggregation expression can be used by any authenticated user to crash a MongoDB server (mongod). The expression fails to handle compound wildcard index specifications, triggering an internal consistency check that aborts the server process. The user must be able to run an aggregation pipeline.

Weakness classification

  • cna@mongodb.com: CWE-617

Primary references