High severity · published Oct 1, 2026
CVE-2026-56589
HCL BigFix Service Management is affected by multiple security vulnerabilities.
7.2
CVSS
0.2%
EPSS
No
On KEV
Description
HCL BigFix Service Management is affected by a Stored Cross-Site Scripting (XSS) vulnerability, which could allow an attacker to inject and store malicious scripts within the application that execute when a victim views the affected page, enabling session hijacking and the theft of sensitive data.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 10% 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
BS
Bigfix Service Management · Hcltech
27 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56589
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56589
support.hcl-software.com
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015
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