Medium 5.3Published Oct 20, 2025

CVE-2025-11979Use-after-free in the MongoDB server query planner may lead to crash or undefined behavior

Updated under an hour ago (Oct 26, 2026, 5:50 PM ET)

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It affects MongoDB Inc. Server and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for MongoDB Inc. Server

Exploited in the last 30 days

An authorized user may crash the MongoDB server by causing buffer over-read. This can be done by issuing a DDL operation while queries are being issued, under some conditions. This issue affects MongoDB Server v7.0 versions prior to 7.0.25, MongoDB Server v8.0 versions prior to 8.0.15, and MongoDB Server version 8.2.0.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-416
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: mongodb
NVD analysis: Analyzed
Record last updated: Oct 20, 2025
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

MongoDB Inc. Server mongodb:server (from the name)	8.2.0; from 8.0.0 before 8.0.14; from 7.0.0 before 7.0.25	CNA record
mongodb mongodb mongodb:mongodb	from 7.0.0 before 7.0.25; from 8.0.0 before 8.0.15	NVD

References

References

https://jira.mongodb.org/browse/SERVER-105873	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.