Vulnerability · CVE-2026-56592
HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthent…
Published Sep 18, 2026 · catalog updated Oct 14, 2026 · bigfix service management
Check if you run it
No confirmed exploitation is on record for CVE-2026-56592. EPSS is 0.29%. Act only if a listed version of bigfix service management is installed.
Gaps on this record
- No version range is stored. A customer cannot check an installed version against this record.
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Critical9.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.29%
- Remediation
- Advisory link
- Affected products
- cpe hcltech/bigfix service management
HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe hcltech/bigfix service management23
- cpe hcltech/bigfix service management27
How to fix CVE-2026-56592
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2026-56592. EPSS is 0.29%. Act only if a listed version of bigfix service management is installed.
Which versions are affected?
Compare what you have installed with hcltech/bigfix service management 23; hcltech/bigfix service management 27. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-307: Improper Restriction of Excessive Authentication Attempts. EPSS 0.29%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Sep 18, 2026 · NIST NVD
Detected
HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.
Oct 14, 2026 · NIST NVD
Updated
HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized system access.
Sources
- CVE.orgVulnerability recordCVE-2026-56592
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2026-56592
30-day exploitation probability 0.29%
first.org - NIST NVDVulnerability recordCVE-2026-56592
HCL BigFix Service Management is affected by an Improper Authentication validation vulnerability related to inadequate account lockouts, which could allow an unauthenticated attacker to execute sustained brute-force attacks against the login interface, resulting in unauthorized s
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 23, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.