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Security audit

TalentLMS

Security checks for vulnerabilities and agentic risk

Overview

The TalentLMS workflow includes sensible safeguards, but setup directs the agent to execute a downloaded installer without verification or clear user approval.

Review and approve CLI setup separately, including its installation and synchronization of other agent skills. Prefer a reviewed, version-pinned installation. OOMOL mediates access to your connected TalentLMS account; retain the required confirmations before changing or deleting records. The downloaded installer and hosted runtime were not verified.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Output HandlingUnvalidated Output Injection, Cross-Context Output, Unbounded Output
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Findings (4)

Description-Behavior Mismatch

High
Category
MCP Tool Poisoning
Confidence
97% confidence
Finding

The supplied chunk performs remote installer execution rather than TalentLMS data operations. Nothing in the chunk establishes that this installation is a supporting dependency for the declared purpose. The installer’s contents are not supplied, so its downstream behavior cannot be determined.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

The command pipes a remotely fetched, unpinned script directly into Bash without integrity verification or an inspection step; the PowerShell alternative uses the same download-and-execute pattern. Compromise of the distribution endpoint could execute attacker-controlled code with the invoking user's privileges, although the legitimate dependency and conditional setup context provide no evidence of malicious author intent.

Content

Scanner excerpt · SKILL.md (reported line 68)May include surrounding context.

Fallback setup executes downloaded installation scripts without warning about local system changes.

Medium
Category
Output Handling
Confidence
91% confidence
Finding

The fallback directs installation of local software after a missing-command error without explicitly requiring user approval or explaining the installer's system changes. Restricting installation to first-time setup reduces exposure, but a request to operate TalentLMS does not necessarily authorize modifying the local execution environment.

Content

No source excerpt is available for this finding.

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
80% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 89)May include surrounding context.

md
- **`OOMOL_INSUFFICIENT_CREDIT`** — OOMOL billing stop. Recharge at `https://console.oomol.com/billing/token-recharge` before retrying.

- **HTTP 402 without `OOMOL_INSUFFICIENT_CREDIT`** — the third-party account itself has no active plan or credit. Report the provider error message as is; do not ask the user to recharge OOMOL.

## Resources