# CVE-2026-25612: Internal ResourceId collision may affect unrelated collections

CVE-2026-25612 is fixed in MongoDB on 1 platform by MongoDB 8.2.4 (version 8.2.4), released January 15, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-25612
- Priority: High
- CVSS: 7.1
- EPSS: 0.0023
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 10, 2026
- Weakness: CWE-412: Unrestricted Externally Accessible Lock
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-25612

## Description

The internal locking mechanism of the MongoDB server uses an internal encoding of the resources in order to choose what lock to take. Collections may inadvertently collide with one another in this representation causing unavailability between them due to conflicting locks.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | MongoDB | 8.2.4 | [MongoDB 8.2.4](https://patchblox.com/security/data/fix/windows-app/mongodb.server-8.2.4.md) | Jan 15, 2026 |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.