Low severity · published Oct 1, 2026
CVE-2026-56599
HCL BigFix Service Management is affected by multiple security vulnerabilities.
2.2
CVSS
0.1%
EPSS
No
On KEV
Description
HCL BigFix Service Management is affected by an Insecure Cookie Attribute Configuration vulnerability, which could allow an attacker to exploit missing security attributes such as SameSite, HttpOnly, Secure, and restrictive Paths, enabling Cross-Site Request Forgery (CSRF), session hijacking via Cross-Site Scripting (XSS), and unauthorized access.
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N
Attack vector
Local
Complexity
High
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 0% 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-2026-56599
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56599
support.hcl-software.com
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0134015
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