SB2026051615 - Authenticated buffer overflow in MongoDB Server
Published: May 16, 2026
Security Bulletin ID
SB2026051615
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2026-8053)
The vulnerability allows a remote user to execute arbitrary code.
The vulnerability exists due to an out-of-bounds write in the time-series bucket catalog when inserting data with duplicate field names into time-series collections. A remote user can insert specially crafted data to execute arbitrary code.
The issue results from an inconsistency in the internal field-name-to-index mapping.
Remediation
Install update from vendor's website.