Medium severity · published Sep 18, 2026
CVE-2026-56595
HCL BigFix Service Management is affected by multiple security vulnerabilities.
4.3
CVSS
0.1%
EPSS
No
On KEV
Description
HCL BigFix Service Management is affected by a CORS Misconfiguration vulnerability due to improperly validated origin headers, which could allow an attacker to craft a malicious web page that interacts with the vulnerable application, enabling unauthorized access to protected resources and restricted APIs on behalf of a victim.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.1% · higher than 4% 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
v27 · source: vendor
BS
Bigfix Service Management · Hcltech
23; 27 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-56595
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-56595
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917
More from HCL BigFix Service Management
9.8
CVE-2026-21806
HCL BigFix Service Management was affected with Admin Session Concurrency vulnerability (CVE-2026-21806)
9.8
CVE-2026-56592
HCL BigFix Service Management is affected by multiple security vulnerabilities.
9.8
CVE-2026-56590
HCL BigFix Service Management is affected by multiple security vulnerabilities.
9.8
CVE-2026-67100
HCL BigFix Service Management is affected by multiple security vulnerabilities.
8.1
CVE-2026-67102
HCL BigFix Service Management is affected by multiple security vulnerabilities.