CVE-2026-21767 HCL BigFix Platform is affected by insufficient authentication
Attackers can access sensitive application areas without proper authentication, potentially exposing data or bypassing security controls in HCL BigFix Platform.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21767?
CVE-2026-21767 is a medium-severity authentication bypass vulnerability in HCLSoftware BigFix Platform, published on 1 Apr 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
HCL BigFix Platform is affected by insufficient authentication. The application might allow users to access sensitive areas of the application without proper authentication.
Weakness: CWE-306
Which versions are affected by CVE-2026-21767?
It affects 1 product.
Products include Hcltech Bigfix Platform.
How do I fix CVE-2026-21767?
No fix has been published for CVE-2026-21767 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-21767 being exploited?
There is no known exploitation of CVE-2026-21767 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware BigFix Platform
- CVE-2026-21765 HCL BigFix Platform is affected by insecure permissions on private cryptographic keys
- CVE-2023-37519 HCL BigFix Platform is affected by Unathenticated Stored Cross-Site Scripting (XSS)
- CVE-2023-37520 HCL BigFix Platform is affected by Unathenticated Stored Cross-Site Scripting (XSS)
- CVE-2020-14254 Weak cryptography in HCL BigFix Inventory
- CVE-2022-42453 HCL BigFix Platform is affected by insufficient warnings
Sources
Also known as GHSA-69rx-rvq8-835f.