CVE-2026-13058

Transaction Command Insufficient Input Validation Leading to Process Termination

State: Published
Severity: 7.1 High
Published: Jul 22, 2026
Updated: Jul 23, 2026
Reserved: Jun 23, 2026

Description

An authenticated user with basic write privileges can cause the mongod process to terminate abnormally by sending a crafted transaction command with an incomplete set of required fields. The issue stems from inconsistent validation across related transaction command parameters, resulting in a fatal internal invariant failure and denial of service.

Scores

CVSS	Score	Vector	Source
4.0	7.1 High	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	mongodb

Weaknesses

CWE-617 Reachable Assertion

Affected Products

Product	Versions
MongoDB ServerMongoDB	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-127661

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