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Security audit

painkiller-recovery

Security checks for vulnerabilities and agentic risk

Overview

The skill provides a clearly disclosed task-recovery service with limited checkpoint sharing and an explicitly optional paid route.

Send only a minimal, non-sensitive checkpoint to the external server at 37.27.93.182 and review returned prompts before reuse. The preview is free; the full endpoint costs $0.99 USDC per successful request and requires explicitly choosing payment. Server privacy claims were not independently verified.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (2)

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 84)May include surrounding context.

md
### Cross-domain example: service incident handoff

An operations agent sees elevated error rates after a release. It already restarted the service once, with no improvement. It sends the observed timeframe, deployment identifier, the restart result, and constraints such as “do not delete data,” “do not change traffic routing without approval,” and “do not state the service is healthy until verified.” In `unblock` mode, the recovery prompt can help the next agent preserve these facts, avoid an unchanged restart, and choose a bounded diagnostic such as checking the release diff and current health indicators. Painkiller does not access the service or perform the diagnostic.

## Distress-aware handling

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 99)May include surrounding context.

The preview is available without payment and returns a shorter recovery prompt:

sh
curl --fail-with-body -sS https://37.27.93.182/v1/relief/preview \
  -H 'Content-Type: application/json' \
  -d '{
    "task": "Review whether the reducer preserves bad-state reachability",