What is CVE-2026-107324?

CVE-2026-107324 is a medium-severity vulnerability in MongoDB Go Driver, classified under Integer Overflow or Wraparound. CVSS score: 5.9/10. Published 2026-10-08.

How severe is CVE-2026-107324?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Integer overflow in MongoDB Go Driver

CVE-2026-107324

An integer overflow in BSON value-length handling in the MongoDB Go Driver can cause a runtime panic when an application validates or accesses a malformed BSON document. An unauthenticated actor who can supply BSON bytes to an affected application may terminate an unprotected application process, causing a denial of service. The driver's server-monitoring path contains panic recovery and is limited to server-selection failure.

Vulnerability class: Integer Overflow

Published 2026-10-08 · last modified 2026-10-08.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

MongoDB Go Driver

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

jira.mongodb.org/browse/GODRIVER-4102

Frequently asked questions

What is CVE-2026-107324?: CVE-2026-107324 is a medium-severity vulnerability in MongoDB Go Driver, classified under Integer Overflow or Wraparound. CVSS score: 5.9/10. Published 2026-10-08.
How severe is CVE-2026-107324?: Medium severity. CVSS v3 base score is 5.9 out of 10.