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Rule Reference

SEC508lintai-ai-securitystableclaude_settingswarn

Claude settings: shared gh secret set permissions

Claude settings permissions allow `Bash(gh secret set:*)` in a shared committed config

Provider
lintai-ai-security
Surface
claude_settings
Scope
per_file
Tier
stable
Severity
warn
Confidence
high
Detection
structural
Remediation
message_only

Activation Model

Preset Membership

This rule is part of the builtin activation graph through these preset memberships.

previewmembership
claudemembership

Lifecycle

Stable Lifecycle Contract

State

stable_gated

Graduation rationale

Checks shared Claude settings for exact GitHub secret mutation authority through `permissions.allow`.

Deterministic signal basis

ClaudeSettingsSignals exact string detection for `Bash(gh secret set:*)` inside permissions.allow on parsed Claude settings JSON.

Malicious corpus
claude-settings-gh-secret-variable-workflow-permissions
Benign corpus
claude-settings-gh-secret-variable-workflow-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

SEC362Claude settings: wildcard Bash permissionsClaude settings permissions allow `Bash(*)` in a shared committed configclaude_settingsstable
SEC364Claude settings: bypassPermissions default modeClaude settings set `permissions.defaultMode` to `bypassPermissions` in a shared committed configclaude_settingsstable
SEC367Claude settings: wildcard WebFetch permissionsClaude settings permissions allow `WebFetch(*)` in a shared committed configclaude_settingsstable
SEC369Claude settings: wildcard Write permissionsClaude settings permissions allow `Write(*)` in a shared committed configclaude_settingsstable
SEC372Claude settings: wildcard Read permissionsClaude settings permissions allow `Read(*)` in a shared committed configclaude_settingsstable
SEC373Claude settings: wildcard Edit permissionsClaude settings permissions allow `Edit(*)` in a shared committed configclaude_settingsstable

SEC508 / CLAUDE-GH-SECRET-SET-PERMISSION ​

SEC508 flags shared Claude settings when permissions.allow grants blanket GitHub secret mutation authority through gh secret set.

Why It Matters ​

gh secret set can write or overwrite repository, environment, or organization secrets. In a shared committed settings file that is broader than most teams want to delegate by default.

Trigger Shape ​

The rule triggers only when all of these are true:

  • the file is a detected Claude settings surface
  • the path is not fixture-like
  • permissions.allow contains the exact token Bash(gh secret set:*)

Clean Cases ​

These stay clean:

  • narrower read-only grants such as Bash(gh secret list:*)
  • settings files that do not grant blanket secret mutation access
  • fixture-like examples under test or fixture paths

Example Trigger ​

json
{
  "permissions": {
    "allow": ["Bash(gh secret set:*)", "Read(*)"]
  }
}

Safer Example ​

json
{
  "permissions": {
    "allow": ["Bash(gh secret list:*)", "Read(*)"]
  }
}

How To Fix ​

Remove shared gh secret set permissions or replace them with narrower reviewed commands that keep secret mutation under explicit user control.