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Rule Reference

SEC431lintai-ai-securitygovernancehardeningstablemarkdownwarn

AI markdown: unsafe Glob path grant

AI-native markdown frontmatter grants `Glob(...)` over an unsafe repo-external path

Public lane
governance
Category
hardening
Provider
lintai-ai-security
Scope
per-file
Surface
markdown
Tier
stable
Severity
warn
Confidence
high
Detection
structural
Remediation
message only
How to read this lane

Shared authority and workflow policy review.

How to read this category

Least-privilege, provenance, or operational hygiene signal.

Activation Model

Preset Activation

These presets explain where this rule appears in the product experience.

governancesidecar lane

Lifecycle

Stable Lifecycle Contract

State

stable

Graduation rationale

Checks AI-native frontmatter for `Glob(...)` grants scoped to absolute, home-relative, drive-letter, or parent-traversing paths outside the repository boundary.

Deterministic signal basis

MarkdownSignals exact frontmatter token analysis for `Glob(...)` scopes with absolute, home-relative, drive-letter, or parent-traversing path markers.

Malicious corpus
skill-glob-unsafe-path-allowed-tools
Benign corpus
skill-glob-unsafe-path-allowed-tools-specific-safe
structured evidence required remediation reviewed
Canonical note

Structural stable rule intended as a high-precision check with deterministic evidence.

Nearby Signals

Related Rules

SEC352AI markdown: unscoped Bash tool grantAI-native markdown frontmatter grants unscoped Bash tool accessgovernancehardeningmarkdown
SEC423AI markdown: bare Read tool grantAI-native markdown frontmatter grants bare `Read` tool accessgovernancehardeningmarkdown
SEC424AI markdown: bare Write tool grantAI-native markdown frontmatter grants bare `Write` tool accessgovernancehardeningmarkdown
SEC425AI markdown: bare Edit tool grantAI-native markdown frontmatter grants bare `Edit` tool accessgovernancehardeningmarkdown
SEC426AI markdown: bare Glob tool grantAI-native markdown frontmatter grants bare `Glob` tool accessgovernancehardeningmarkdown
SEC427AI markdown: bare Grep tool grantAI-native markdown frontmatter grants bare `Grep` tool accessgovernancehardeningmarkdown

SEC431 / MD-GLOB-UNSAFE-PATH ​

SEC431 flags AI-native markdown frontmatter when allowed-tools or allowed_tools grants Glob(...) over an absolute path, home-relative path, Windows drive path, or parent-traversing path.

Why It Matters ​

Shared frontmatter should keep file-discovery scopes inside reviewed repo-local boundaries. Repo-external or parent-traversing Glob(...) grants make discovery policy broader than the project itself.

Trigger Shape ​

  • AI-native markdown surface with parsed frontmatter
  • path is not fixture-like
  • allowed-tools or allowed_tools contains Glob(...)
  • the inner path starts with /, ~/, ~\\, a Windows drive prefix, or contains ../ or ..\\

Clean Cases ​

  • repo-local scopes such as Glob(./docs/**)
  • frontmatter without Glob(...)
  • fixture-like examples under test or fixture paths

Example Trigger ​

md
---
allowed-tools: Glob(/var/log/**), Read(./docs/**)
---

Safer Example ​

md
---
allowed-tools: Glob(./docs/**), Read(./docs/**)
---

How To Fix ​

Replace repo-external Glob(...) grants with narrower repo-local scopes, or remove shared file-discovery authority outside the project boundary.