Back to skill

Security audit

Daily Digest

Security checks for vulnerabilities and agentic risk

Overview

This skill transparently generates a Markdown digest by reading top-level .md files, with no evidence of network access, credential use, persistence, or destructive behavior.

Install only if you want a Chinese-language digest tool that reads Markdown files in the current or specified directory. Avoid running it from a workspace containing private Markdown documents you do not want summarized in the report.

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
Vulnerability Patterns
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • 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 (6)

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
92% confidence
Finding

The skill instructs the agent to scan files in the current or specified directory, which is a file-reading capability, but it does not declare any explicit tool scope or permission boundaries. That mismatch can cause the skill to access more markdown files than a user expects, especially in shared or sensitive working directories, and makes review and enforcement of least privilege harder.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The trigger phrases are broad enough to overlap with ordinary summarization requests, so the skill may activate when a user only wants a conversational summary rather than a filesystem scan. That can unexpectedly enumerate local documents and expose filenames, headings, and derived metadata from unrelated markdown files.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill description does not warn users that it scans all markdown files in a directory and outputs file names, headings, and content-derived metadata. Without that disclosure, users may invoke it without understanding that local project structure or sensitive document metadata could be exposed in the generated report.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The activation examples do not distinguish between safe summarization tasks and requests that should initiate filesystem scanning. In practice, this ambiguity increases the chance of unintended skill execution and disclosure of document names, headings, and statistics from the working directory.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

This Python file contains user-facing strings entirely in Chinese for the generated digest report and no option to select another language. The policy allows locale constraints only when they are user-selectable or clearly justified; neither is present here.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
84% confidence
Finding

The name and examples are primarily in Chinese, and the invocation phrases and descriptive text indicate a Chinese-default experience except for a single English trigger. There is no statement that users may choose their preferred language or that the locale limitation is intentional and justified.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.