CVE-2026-18702

MEDIUMCVSS 6.4/10EPSS 0.21%

Last modified

CVE-2026-18702 is a medium-severity vulnerability rated 6.4/10 on the CVSS scale. An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow suppression of diagnostic logging server-wide, potentially obscuring unauthorized activity, or degrade operational monitoring by causing excessive log volume.. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow suppression of diagnostic logging server-wide, potentially obscuring unauthorized activity, or degrade operational monitoring by causing excessive log volume.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
MongodbMongodb>= 7.0.0, < 7.0.40—
MongodbMongodb>= 8.0.0, < 8.0.29—
MongodbMongodb>= 8.2.0, <= 8.2.12—
MongodbMongodb>= 8.3.0, < 8.3.8—
MongodbMongodb9.0.0Alpha0
MongodbMongodb9.1.0Alpha0

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-18702?
An issue in MongoDB Server could allow an authenticated user with limited, database-scoped privileges to modify diagnostic logging settings that affect the entire server rather than just the intended database. This could allow suppression of diagnostic logging server-wide, potentially obscuring unauthorized activity, or degrade operational monitoring by causing excessive log volume.
How severe is CVE-2026-18702?
CVE-2026-18702 has a CVSS score of 6.4/10 (MEDIUM severity). The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-18702?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST