CVE-2026-21765 HCL BigFix Platform is affected by insecure permissions on private cryptographic keys
Attackers can read private cryptographic keys due to insecure file permissions on Windows hosts, potentially compromising security.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-21765?
CVE-2026-21765 is a high-severity 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 insecure permissions on private cryptographic keys. The private cryptographic keys located on a Windows host machine might be subject to overly permissive file system permissions.
Which versions are affected by CVE-2026-21765?
It affects 1 product.
Products include Hcltech Bigfix Platform.
How do I fix CVE-2026-21765?
No fix has been published for CVE-2026-21765 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-21765 being exploited?
There is no known exploitation of CVE-2026-21765 in the wild and no public exploit code.
Other vulnerabilities in HCLSoftware BigFix Platform
- 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
- CVE-2024-23583 HCL BigFix Platform is susceptible to insufficiently protected credentials
Sources
Also known as GHSA-cwpc-gq4p-xxwh.