Incorrect authorization in MongoDB Server - CVE-2026-13068
Published: August 18, 2026
Vulnerability identifier: #VU144115
CSH Severity: Low
CVSS v4: 2.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-13068
CWE-ID: CWE-863
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to terminate active cursors on a separate database and disrupt ongoing query operations.
The vulnerability exists due to improper access control in mongos cursor termination authorization checks when handling cursor termination requests. A remote user can send a cursor termination request for active cursors on another database to terminate active cursors on a separate database and disrupt ongoing query operations.
The issue results from privileges not being correctly scoped to the appropriate namespace.
Affected software
MongoDB Server
How to mitigate CVE-2026-13068
Install security update from vendor's website.
MongoDB Server - addressed in versions 7.0.39, 8.0.28, 8.2.12, 8.3.7