CVE-2026-9754: Stack memory disclosure in filemd5 command
An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
filemd5 commandfrom your environment.Uninstall or remove the filemd5 command if it is not required in your environment.
- Configuration
Prevent users with the 'read' role from executing the filemd5 command. Disable the command for read-role accounts or remove execute permission so only privileged/administrative accounts can run it.
filemd5 command executable_by_read_role = false - Compensating control
Restrict access to interfaces that allow issuing the filemd5 command to trusted administrative accounts and trusted network segments (for example via firewall rules, ACLs, or management-plane isolation) until an official patch or fix is available.
Event History
Frequently Asked Questions
What is the severity of CVE-2026-9754?
CVE-2026-9754 has a medium severity score of 6.5.
How do I fix CVE-2026-9754?
To mitigate CVE-2026-9754, ensure your MongoDB installation is updated to the latest version that addresses this vulnerability.
Who is affected by CVE-2026-9754?
CVE-2026-9754 affects authenticated users with the read role in MongoDB Server.
What type of vulnerability is CVE-2026-9754?
CVE-2026-9754 is a stack memory disclosure vulnerability associated with the filemd5 command.
What is the impact of CVE-2026-9754?
The impact of CVE-2026-9754 allows an authenticated user to read limited amounts of uninitialized stack memory.