Low severity · published Oct 6, 2026
CVE-2026-56596
HCL BigFix Service Management is affected by multiple security vulnerabilities.
3.5
CVSS
0.2%
EPSS
No
On KEV
Description
HCL BigFix Service Management is affected by an Improper Input Validation vulnerability, which could allow an attacker to supply unexpected or malformed data, enabling processing errors, business logic bypasses, and unintended application behavior.
CVSS vector
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack vector
Adjacent
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
HB
HCL BigFix Service Management · HCL Software
Version 27 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56596
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56596
support.hcl-software.com
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015
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