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Security audit

Datalust Seq

Security checks for vulnerabilities and agentic risk

Overview

The Seq workflow has approval controls, but setup runs unverified downloaded code and leaves broader changes to agent skills unexplained.

Review before installing. Use a verified CLI release and explicitly approve installation rather than allowing the automatic downloaded-script fallback. Review or disable its documented skill synchronization before launch. Connect a narrowly scoped Seq account and consider whether its logs may pass through OOMOL. The bundled instructions were fully inspected, but the remote installers and hosted connector implementation remain unverified.

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
96% confidence
Finding

The supplied code performs remote script execution from an Oomol-hosted endpoint, rather than interacting with Datalust Seq. No connection between this installer and the declared Seq functionality is established, so it cannot be treated as a demonstrated supporting implementation detail. The downloaded script's contents are not supplied, so its further effects cannot be assessed.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
98% confidence
Finding

Piping an HTTPS response directly into bash executes mutable remote code without a pinned version or independent integrity verification. Compromise of the installer delivery infrastructure could therefore lead to local code execution, credential theft, or file modification; the missing-CLI condition limits exposure but does not eliminate this supply-chain risk. This is the same installation path implicated by SQP-2, not a separate exploit chain.

Content

Scanner excerpt · SKILL.md (reported line 69)May include surrounding context.

First-time setup instructs the agent to execute downloaded installer scripts without warning the user about remote code execution and system changes.

Medium
Category
Output Handling
Confidence
95% confidence
Finding

The fallback setup directs the agent to execute remotely downloaded shell or PowerShell code without explicit installation approval or a stated verification step. A missing CLI is a legitimate prerequisite failure, but it does not authorize arbitrary installer code or its system changes; malicious installer content would run with the invoking process's privileges.

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 90)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