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Security audit

Daily Briefings

Security checks for vulnerabilities and agentic risk

Overview

The skill uses existing calendar, email, and activity tools to create daily summaries, with only minor ambiguity in one activation phrase.

Enable this skill for accounts and delivery channels where you want calendar, email, and activity summaries. The phrase “what did you do today?” can invoke a recap. Review permissions and scheduling in your existing integrations; their implementations are not bundled here. The complete scanner report and entire artifact were inspected, with no material coverage gaps identified.

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
  • 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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

The trigger "what did you do today?" overlaps with ordinary conversational questions.

Medium
Category
Trigger Abuse
Confidence
94% confidence
Finding

This phrase can be a general question about the assistant's activity rather than a request for a personal end-of-day recap. The skill provides no exclusion or contextual restriction, so it could unnecessarily invoke the recap workflow and retrieve calendar and email data.

Content

No source excerpt is available for this finding.