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Security audit

ephemeris-forecasting

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward forecasting API helper that clearly discloses sending user-provided numeric series to Ephemeris for forecasts.

Install only if you are comfortable sending the time-series values and covariates you provide to Ephemeris and spending credits for successful forecasts. Store the API key in a secret store or local configuration, do not commit it, and avoid submitting sensitive business or personal data unless your Ephemeris account terms and privacy expectations allow it.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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
Findings (1)

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 43)May include surrounding context.

Check the live panel once per session (model names, health, max_horizon, covariate support and prices):

bash
curl -s https://ephemeris.cascade.industries/api/v1/models \
  -H "Authorization: Bearer $EPHEMERIS_API_KEY"

Static analysis

No suspicious patterns detected.