What is CVE-2025-7259?

CVE-2025-7259 is a medium-severity vulnerability in Mongodb, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 6.5/10. Published 2025-07-07.

How severe is CVE-2025-7259?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Mongodb

CVE-2025-7259

An authorized user can issue queries with duplicate _id fields, that leads to unexpected behavior in MongoDB Server, which may result to crash. This issue can only be triggered by authorized users and cause Denial of Service. This issue af…

EPSS: 0.003 (19.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Mongodb — versions 8.1.0
Mongodb Inc Server — versions 8.1

Weakness classification (CWE)

CWE-843 — Access of Resource Using Incompatible Type (Type Confusion)

References

cna@mongodb.com (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2025-7259?: CVE-2025-7259 is a medium-severity vulnerability in Mongodb, classified under Access of Resource Using Incompatible Type (Type Confusion). CVSS score: 6.5/10. Published 2025-07-07.
How severe is CVE-2025-7259?: Medium severity. CVSS v3 base score is 6.5 out of 10.