What is CVE-2026-2303?

CVE-2026-2303 is a medium-severity vulnerability in Mongodb Inc Go Driver, classified under CWE-183. CVSS score: 6.5/10. Published 2026-02-10.

How severe is CVE-2026-2303?

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

Vulnerability in Mongodb Inc Go Driver

CVE-2026-2303

The mongo-go-driver repository contains CGo bindings for GSSAPI (Kerberos) authentication on Linux and macOS. The C wrapper implementation contains a heap out-of-bounds read vulnerability due to incorrect assumptions about string terminati…

EPSS: 0.001 (19.9th 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:H/A:N.

Affected products

Mongodb Inc Go Driver — versions 1.0.0, 2.0.0

Weakness classification (CWE)

CWE-183

References

jira.mongodb.org/browse/GODRIVER-3770

Frequently asked questions

What is CVE-2026-2303?: CVE-2026-2303 is a medium-severity vulnerability in Mongodb Inc Go Driver, classified under CWE-183. CVSS score: 6.5/10. Published 2026-02-10.
How severe is CVE-2026-2303?: Medium severity. CVSS v3 base score is 6.5 out of 10.