Security audit

Strava CLI Skill

Security checks for vulnerabilities and agentic risk

Overview

The skill is a coherent Strava CLI helper, but it asks users to install and authenticate an unpinned third-party executable that can access private fitness/location data and perform limited account writes.

Review before installing. Use this only if you are comfortable granting a third-party Strava CLI access to your account data, including activity and route details. Prefer a pinned reviewed release, verify checksums or signatures if available, and confirm manually before uploads or activity updates.

A.I.G

Vulnerability Patterns

Insecure DependenciesIntroduces malicious components through unsafe dependency sources
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

Findings (1)

T08 · Insecure Dependencies

Warning

Location: SKILL.md:15
Finding: Unpinned and Unverified Third-Party CLI Installation
Content: View full analysis
Remediation: View remediation

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)

Vague Triggers

Medium

Category: Not specified by scanner
Confidence: 93% confidence
Finding: The trigger description is broad enough to activate on general Strava-related requests, including ambiguous automation or export tasks, which can cause the agent to invoke this skill when the user did not clearly intend terminal-based access to a third-party account. Because the skill supports authenticated access and limited write actions, unintended invocation could expose private fitness data or increase the chance of accidental account modifications.
Content: No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.