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PatchSiren cyber security CVE debrief

CVE-2025-31951 HCL CVE debrief

A Unvalidated Command Input / Potential Command Smuggling vulnerability was identified in HCL BigFix RunBookAI, which could permit unauthorized command execution. The CVE record was published on 2026-05-06T12:16:26.087Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. This vulnerability affects HCL BigFix RunBookAI deployments, and defenders should assess exposure and prioritize verification of the vulnerability's impact. The vulnerability's existence is supported by the CVE Program and NVD records, but details on affected versions and remediation are limited.

Vendor
HCL
Product
BigFix RunBookAI
CVSS
HIGH 8.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-05-06
Original CVE updated
2026-09-30
Advisory published
2026-05-06
Advisory updated
2026-09-30

Who should care

Defenders responsible for HCL BigFix RunBookAI deployments should assess exposure and prioritize verification of the vulnerability's impact.

Why it matters

Defenders should prioritize verifying the vulnerability's impact and assessing exposure in HCL BigFix RunBookAI deployments, as it could permit unauthorized command execution.

  • Potential unauthorized command execution
  • Need to verify vulnerability impact and assess exposure
  • Possible command smuggling vulnerability

Technical summary

HCL BigFix RunBookAI is affected by a Unvalidated Command Input / Potential Command Smuggling vulnerability. This vulnerability could permit unauthorized command execution due to a flaw in a component's input handling. The vulnerability's technical details are based on the CVE Program and NVD records, which provide a foundation for understanding the vulnerability's nature and potential impact.

Defensive priority

Defenders should prioritize verifying the vulnerability's impact and assessing exposure in their environments.

Recommended defensive actions

  • Verify the vulnerability's impact on your environment
  • Assess exposure in HCL BigFix RunBookAI deployments
  • Monitor for potential unauthorized command execution

Evidence notes

The vulnerability's existence is supported by the CVE Program and NVD records, but details on affected versions and remediation are limited. The CVE Program and NVD records provide official confirmation of the vulnerability. However, specific details about affected versions, patches, or workarounds are not provided. Defenders should verify the vulnerability's impact and assess exposure in their HCL BigFix RunBookAI deployments.

Sources and references

Verified primary and authoritative sources

  • CVE-2025-31951 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2025-31951

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

  • CVE-2025-31951 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2025-31951

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

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.