CVE-2026-13055 — Server crash via aggregation pipeline expression with compound wildcard index specification

CVE-2026-13055

Server crash via aggregation pipeline expression with compound wildcard index specification PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
MongoDB / MongoDB Server	affected 7.0 before 7.0.39; affected 8.0 before 8.0.28; affected 8.2.0 before 8.2.12; affected 8.3.0 before 8.3.7

CWE

CWE-617

References

https://jira.mongodb.org/browse/SERVER-123081

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.