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Security audit

stack-push

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward GitHub stacked-PR workflow helper, with disclosed repository and PR mutations that match its stated purpose.

Install this only if you want an agent to help publish stacked Git branches and create GitHub draft PRs. Review the branch prefix, base branch, PR titles, and summary comment before allowing commands to run, because the workflow writes to your remote repository and GitHub PRs.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Tool MisuseTool Parameter Abuse, Chaining Abuse, Unsafe Defaults
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (3)

Tool Parameter Abuse

High
Category
Tool Misuse
Confidence
70% confidence
Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · SKILL.md (reported line 165)May include surrounding context.

md
- Use `--draft` by default; promote slices to ready
  individually as they pass review
- After any `git rebase --update-refs` run, re-push with
  `git push --force-with-lease` (never `--force`)
- When a base PR merges, run `Skill(sanctum:stack-rebase)`
  to cascade the rebase before updating the next PR's base

Shadow Command Trigger

Medium
Category
Trigger Abuse
Confidence
70% confidence
Finding

Shadow Command Trigger: 'push' conflicts with built-in command 'push'

Content

No source excerpt is available for this finding.

Overly Broad Trigger

Low
Category
Trigger Abuse
Confidence
70% confidence
Finding

Overly Broad Trigger: 'pr' is too short and may match unintended inputs

Content

No source excerpt is available for this finding.

Static analysis

Detected: suspicious.generated_source_template_injection

User-controlled placeholder is embedded directly into generated source code.

Critical
Code
suspicious.generated_source_template_injection
Location
SKILL.md:123