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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
2026-06-18
Advisory published
2026-06-09
Advisory updated
2026-06-18

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.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-9754 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-9754

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-9754 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-9754

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Supplemental references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.