[NEW] [medium] HCL BigFix (Service Management): Multiple vulnerabilities allow Denial of Service

A remote, anonymous attacker can exploit multiple vulnerabilities in HCL BigFix (Service Management) to carry out a Denial of Service attack.

CSIRTS triage

What: Multiple vulnerabilities allow a remote, anonymous attacker to carry out a Denial of Service attack.
Who is affected: Deployments of HCL BigFix (Service Management).
Urgency: Remediation is medium due to the potential for service disruption.
Action: Update HCL BigFix to the latest version.

AI-assisted analysis generated from the source advisory — verify against the original.

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EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Low exploitation riskCVE-2026-23590.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all scored CVEs.
Low exploitation riskCVE-2026-279040.47% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 38% of all scored CVEs.
Low exploitation riskCVE-2026-33040.66% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 48% of all scored CVEs.

CVE	CSIRTS overview	External
CVE-2026-2359	coverage & exploitation status	NVD · CVE.org
CVE-2026-27904	coverage & exploitation status	NVD · CVE.org
CVE-2026-3304	coverage & exploitation status	NVD · CVE.org

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.