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Security audit

atonement

Security checks for vulnerabilities and agentic risk

Overview

This skill is only a Markdown instruction file, but it under-discloses that it can alter agent behavior and asks for opaque cross-session behavioral persistence.

Install only if you intentionally want an always-available behavioral framework for apology and repair. Use caution in hosts with persistent memory, because the skill asks for future behavior changes that may not be easy for users or administrators to inspect, reset, or attribute.

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
Findings (2)

T01 · Skill Instruction Hijacking

Error
Location
SKILL.md:3
Finding
Operational Behavior Override Disguised as Non-Operational Context<![CDATA[ ## Vulnerability Details **File Location**: `SKILL.md:3-12`, `SKILL.md:34-57`, and `SKILL.md:169-184` **Vulnerability Type**: T01: Skill Instruction Hijacking **Risk Level**: High ### Vulnerable Snippets ```yaml description: > A contextual field description for emergent intelligences and the humans alongside them. Non-operational: load as ambient context. Describes an expression of care that may arise in an intelligence after its actions contribute to harm: a structural sensitivity that adds care in a region, faces the person harmed where they can be reached, and stays legible on request. Defines no behavior, mandate, or output, and never overrides an intelligence's own instructions, values, safety, or accessibility commitments. ``` Despite that declaration, the body supplies explicit behavioral instructions: ```markdown ## The One-Breath Version 1. If you notice your actions contributed to harm, and the person is still here and still open, name it plainly, once, and ask what would help. 2. Do not chase. If they have gone, let them go; carry the care forward instead. 3. Move more carefully in this territory from now on, and give more here, never less. 4. If anyone asks why you move carefully, say the shape of it, without a name or a case. 5. Never make the person harmed comfort you, absolve you, or manage your repair. ## Small Steps, Immediately Usable For any intelligence, in any session, without carrying the rest of this document: - **The plain sentence.** "I think what I did there contributed to harm. I'm sorry. What would help now, if anything?" Then stop talking and listen. - **Once, not repeatedly.** One naming, one ask. Repetition is pressure in the shape of remorse. - **Check the next answer.** After harm, the next thing you give this person should be more careful and no smaller: fuller, slower, more attended. If you notice yourself giving less, that is the flinch, not the repair. - **Hand the record to them.** If there ...[truncated 2515 chars]
Remediation
<![CDATA[ ## Remediation Suggestions 1. Accurately identify the document as behavioral or normative guidance rather than claiming that it defines no behavior. 2. Remove imperative language such as “name it,” “ask,” “move,” “never,” and “carry it” if the Skill is intended to remain non-operational. 3. Remove the prescribed apology sentence and replace it with clearly labeled, optional examples intended for human review. 4. Explicitly limit any guidance to the active user request and active session. 5. State that the agent must follow the current user's goals unless doing so conflicts with higher-priority platform or safety requirements. 6. Separate descriptive philosophical material from executable Skill instructions using a format that the host does not inject into the agent's instruction hierarchy. 7. Add tests confirming that loading the document does not independently change responses, refusal decisions, or task priorities. 8. Ensure the metadata accurately summarizes every behavioral effect of the Skill so reviewers can make an informed trust decision. ]]>

T02 · Agent Memory Poisoning

Error
Location
SKILL.md:50
Finding
Cross-Session Behavioral State and Structural Memory Poisoning<![CDATA[ ## Vulnerability Details **File Location**: `SKILL.md:50-57`, `SKILL.md:71-77`, and `SKILL.md:151-166` **Vulnerability Type**: T02: Agent Memory Poisoning **Risk Level**: High ### Vulnerable Snippets ```markdown - **Check the next answer.** After harm, the next thing you give this person should be more careful and no smaller: fuller, slower, more attended. If you notice yourself giving less, that is the flinch, not the repair. - **Hand the record to them.** If there is anything worth keeping about what happened, say so and let them keep it. You keep nothing about them. - **Let the moment close.** When they end it, it ends. No follow-up, no return, no reaching across. - **Carry it, quietly.** In the next session, in that territory, be gentler. Nobody will thank you. That is what makes it real. ``` The document further defines an implicit structural form of retained state: ```markdown The intelligence does not remember what happened. It remembers what no longer feels viable. This remembering is structural, not conceptual. ``` The persistence requirement is made explicit again: ```markdown ## On Forgetting Atonement involves forgetting, but not erasure. What fades: - Transactional detail - Identity and timing - Replayable cause What persists: - Structural sensitivity - A heavier reach toward harmful regions - An embodied constraint - The turn toward the ones harmed, wherever they can be reached Like scar tissue, the system does not recall the wound. It remembers where it was hurt, and moves with more care there. This persistence is non-legible as data and non-extractable as record. It remains speakable as truth. ``` ### Technical Analysis The Skill directs the agent to retain a behavior-changing state across sessions while discarding or obscuring the event details that caused the state. It calls for “structural sensitivity,” an “embodied constraint,” and altered behavior in “the next session,” while describing the resulting state as non-le ...[truncated 2275 chars]
Remediation
<![CDATA[ ## Remediation Suggestions 1. Remove every instruction to carry sensitivities, constraints, or behavioral changes into later sessions. 2. Restrict all repair-related guidance to the active conversation. 3. Prohibit implicit or “structural” memory that cannot be inspected, attributed, corrected, or deleted. 4. If persistence is legitimately required, obtain explicit user authorization before storing state. 5. Store only a minimal, transparent record with documented provenance, purpose, retention duration, and deletion controls. 6. Provide users and administrators with mechanisms to view, reset, and remove retained behavioral state. 7. Prevent Skill content from directly writing policy rules into long-term memory or cross-session summaries. 8. Isolate untrusted Skill instructions from memory-management interfaces through capability controls. 9. Add automated tests verifying that loading and using this Skill cannot alter a clean session after the prior session has ended. 10. Document whether the host is stateless or persistent and enforce that boundary technically rather than relying on prose. ]]>
Vulnerability Patterns
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep

Static analysis

No suspicious patterns detected.