Auth bypass in MongoDB

CVE-2026-13068

An authenticated user holding cursor termination privileges on one database may incorrectly be permitted to terminate active cursors on a separate database, disrupting ongoing query operations for other users. The behavior stems from an authorization check that does not correctly scope privileges to the appropriate namespace.

Vulnerability class: Broken Access Control

EPSS: 0.001 (4.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.2 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-13068?
CVE-2026-13068 is a medium-severity vulnerability in MongoDB, classified under Incorrect Authorization. CVSS score: 4.2/10. Published 2026-07-22.
How severe is CVE-2026-13068?
Medium severity. CVSS v3 base score is 4.2 out of 10.