How severe is CVE-2025-31951?

CVE-2025-31951 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-31951 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-31951?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-31951 have an EU (EUVD) identifier?

Yes. CVE-2025-31951 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209669.

When was CVE-2025-31951 published?

CVE-2025-31951 was published on 2026-05-06 and last updated on 2026-06-17.

CVE-2025-31951

CVE-2025-31951 is a high-severity vulnerability with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-77.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 0% (16th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-209669
Weakness: CWE-77
Published: 2026-05-06
Last modified: 2026-06-17

Description

HCL BigFix RunBookAI is affected by a Unvalidated Command Input / Potential Command Smuggling vulnerability. A flaw in a component's input handling was identified that could permit unauthorized command execution.

Frequently asked questions

What is CVE-2025-31951?: HCL BigFix RunBookAI is affected by a Unvalidated Command Input / Potential Command Smuggling vulnerability. A flaw in a component's input handling was identified that could permit unauthorized command execution.
How severe is CVE-2025-31951?: CVE-2025-31951 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-31951 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (16th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-31951?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-31951 have an EU (EUVD) identifier?: Yes. CVE-2025-31951 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-209669.
When was CVE-2025-31951 published?: CVE-2025-31951 was published on 2026-05-06 and last updated on 2026-06-17.

References

https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0130444

Other CWE-77 (Command Injection) vulnerabilities

CVE-2026-23652 — Critical (CVSS 10.0): Improper neutralization of special elements used in a command ('command injection') in Microsoft Power Pages allows an…
CVE-2025-59818 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute arbitrary commands on the underlying system using the file…
CVE-2025-64093 — Critical (CVSS 10.0): Remote Code Execution vulnerability that allows unauthenticated attackers to inject arbitrary commands into the…
CVE-2025-64090 — Critical (CVSS 10.0): This vulnerability allows authenticated attackers to execute commands via the hostname of the device.
CVE-2025-61492 — Critical (CVSS 10.0): A command injection vulnerability in the execute_command function of terminal-controller-mcp 0.1.7 allows attackers to…
CVE-2025-10035 — Critical (CVSS 10.0): A deserialization vulnerability in the License Servlet of Fortra's GoAnywhere MFT allows an actor with a validly forged…

Browse all CWE-77 (Command Injection) vulnerabilities →