Medium severity · published Sep 18, 2026
CVE-2026-21848
HCL BigFix Service Management is affected by multiple security vulnerabilities.
5.0
CVSS
0.3%
EPSS
No
On KEV
Description
HCL BigFix Service Management is affected by a Security Misconfiguration vulnerability, which could allow an authenticated attacker to exploit improper access controls, enabling the unauthorized viewing of restricted data elements across tenant boundaries.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 19% 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
V23 · source: vendor
BS
Bigfix Service Management · Hcltech
23; 27 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-21848
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-21848
Vendor Advisory
https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0133917
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