CVE-2026-13078

Local File Disclosure in MongoDB Server via MozJS Scripting Engine Module Loader

CVE-2026-13078 is fixed in MongoDB on 1 platform by MongoDB 8.3.7 (version 8.3.7), released June 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
6.3
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0038
31st percentile

A vulnerability was discovered in MongoDB Server where the server-side MozJS scripting engine unconditionally registered a module loading hook that enables JavaScript calls to read arbitrary files from the host filesystem using the mongod process's privileges. An authenticated user could exploit this through crafted aggregation pipeline commands to read sensitive files accessible to the MongoDB server process.

Where it's fixed

ProductFixed inFixReleased
Windows apps
MongoDB 8.3.7 MongoDB 8.3.7 Jun 11, 2026

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