CVE-2026-56589 HCL BigFix Service Management - Stored XSS

HCL BigFix Service Management contains a stored XSS caused by improper sanitization of user input, letting attackers inject malicious scripts that execute when victims view affected pages, enabling session hijacking.

CVSS base score 7.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.20% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Stored XSS
Impact
Client Script Exec, Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
Published
1 October 2026
Updated
15 October 2026
Weakness
CWE-79

Vendor fix

Update to the latest version of HCL BigFix Service Management.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

← All CVEs