PatchSiren cyber security CVE debrief

CVE-2026-9754 MongoDB CVE debrief

CVE-2026-9754 is a vulnerability affecting an unspecified product from an unknown vendor. An authenticated user with the read role may read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Vendor: MongoDB
Product: Unknown
CVSS: HIGH 7.1
CISA KEV: Not listed in stored evidence
Original CVE published: 2026-06-09
Original CVE updated: 2026-06-10
Advisory published: 2026-06-09
Advisory updated: 2026-06-10

Who should care

Users of the affected product, particularly those with authenticated read roles, should be aware of this vulnerability and take necessary precautions.

Technical summary

The vulnerability allows an authenticated user with the read role to read limited amounts of uninitialized stack memory via specially-crafted issuances of the filemd5 command.

Defensive priority

HIGH

Recommended defensive actions

Apply patches or updates as recommended by the vendor.
Restrict access to sensitive commands and data.
Monitor system activity for suspicious behavior.

Evidence notes

The CVE record was published on 2026-06-09T23:17:05.023Z and modified on 2026-06-10T19:43:28.857Z. The vulnerability has a CVSS score of 7.1 and is classified as HIGH severity.

Official resources

CVE-2026-9754 was published on 2026-06-09T23:17:05.023Z and modified on 2026-06-10T19:43:28.857Z.