What is CVE-2025-13644?

CVE-2025-13644 is a medium-severity vulnerability in Mongodb, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2025-11-25.

How severe is CVE-2025-13644?

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

Vulnerability in Mongodb

CVE-2025-13644

MongoDB Server may experience an invariant failure during batched delete operations when handling documents. The issue arises when the server mistakenly assumes the presence of multiple documents in a batch based solely on document size exceeding BSONObjMaxSize. This issue affects MongoDB Server v7.0 versions prior to 7.0.26, MongoDB Server v8.0 versions prior to 8.0.13, and MongoDB Server v8.1 versions prior to 8.1.2

EPSS: 0.003 (20.4th 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 8.2.0
Mongodb Inc. Server — versions 8.0, 7.0, 8.1

Weakness classification (CWE)

CWE-617 — Reachable Assertion

References

cna@mongodb.com (Vendor Advisory)

Frequently asked questions

What is CVE-2025-13644?: CVE-2025-13644 is a medium-severity vulnerability in Mongodb, classified under Reachable Assertion. CVSS score: 6.5/10. Published 2025-11-25.
How severe is CVE-2025-13644?: Medium severity. CVSS v3 base score is 6.5 out of 10.