CVE-2026-13055

—

CVSS 4.0

7.1 high

EPSS

<1%p21

Published

Jul 22, 2026 (Jul 22, 2026)

Modified

Aug 5, 2026

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.

Vendors: mongodb
Products: mongodb
Weakness: CWE-617
Vector: 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

NVD CVE.org GitHub PoCs EPSS (0.3%)

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