Vulnerability in MongoDB Inc Ruby Driver

CVE-2026-2302

Under specific conditions when processing a maliciously crafted value of type Hash r, Mongoid::Criteria.from_hash may allow for executing arbitrary Ruby code.

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.002 (9.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-2302: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-2302?
CVE-2026-2302 is a medium-severity vulnerability in MongoDB Inc Ruby Driver, classified under CWE-183. CVSS score: 6.5/10. Published 2026-02-10.
How severe is CVE-2026-2302?
Medium severity. CVSS v3 base score is 6.5 out of 10.