CVE-2025-12657

Malformed KMIP response may result in access violation

CVE-2025-12657 is fixed in MongoDB on 1 platform by MongoDB 7.0.28 (version 7.0.28), released December 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.9

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0039

33rd percentile

The KMIP response parser built into mongo binaries is overly tolerant of certain malformed packets, and may parse them into invalid objects. Later reads of this object can result in read access violations.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
MongoDB	7.0.28	MongoDB 7.0.28	Dec 16, 2025

Details

Published
November 3, 2025
Weakness
CWE-754: Improper Check for Unusual or Exceptional Conditions
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2025-12657

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