CVE-2026-13072

MongoDB Improper Input Validation in Compute Mode External Data Processing Leading to Memory Corruption

State: Published
Severity: 9.2 Critical
Published: Jul 22, 2026
Updated: Jul 24, 2026
Reserved: Jun 23, 2026

Description

When compute mode is enabled on a standalone mongod instance, insufficient validation of externally sourced BSON data during aggregation pipeline processing can result in memory corruption, potentially leading to process termination or other unintended behavior. This configuration is non-default and requires explicit enablement at startup.

Scores

CVSS	Score	Vector	Source
4.0	9.2 Critical	CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	mongodb
3.1	8.1 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H	mongodb

Weaknesses

CWE-122 Heap-based Buffer Overflow

Affected Products

Product	Versions
MongoDB ServerMongoDB	7.0 to before 7.0.39Affected 8.0 to before 8.0.28Affected 8.2.0 to before 8.2.12Affected 8.3.0 to before 8.3.7Affected

References

https://jira.mongodb.org/browse/SERVER-128494

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