# 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.

- Web page: https://patchblox.com/security/cve/CVE-2025-12657
- Priority: Routine
- CVSS: 5.9
- EPSS: 0.0039
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 3, 2025
- Weakness: CWE-754: Improper Check for Unusual or Exceptional Conditions
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2025-12657

## Description

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

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | MongoDB | 7.0.28 | [MongoDB 7.0.28](https://patchblox.com/security/data/fix/windows-app/mongodb.server-7.0.28.md) | Dec 16, 2025 |

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Data as of 2026-11-08T13:06:02Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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