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Security audit

Kommo

Security checks for vulnerabilities and agentic risk

Overview

The Kommo features fit the stated purpose, but setup can execute unverified downloads and introduce additional persistent agent skills without clearly explaining those changes.

Review and explicitly authorize the CLI installation before using the fallback setup, preferably using a verified, fixed release. Decide whether to permit automatic agent-skill synchronization; the CLI documents OO_SKILLS_SYNC_DISABLED as an opt-out. Connecting Kommo also entrusts OOMOL with access to your CRM data. The bundled instructions were fully inspected, but the remote installers and connector implementation 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
99% confidence
Finding

The supplied chunk performs remote script execution rather than a Kommo data operation. Although installing dependencies can be a supporting implementation detail, no connection between this installer and the declared Kommo functionality is shown. The downloaded script's contents and effects cannot be determined from this chunk.

Content

No source excerpt is available for this finding.

External Script Fetching

High
Category
Supply Chain
Confidence
99% confidence
Finding

The curl-to-bash pipeline executes whatever script the installation URL returns, without pinning or independently verifying its contents. HTTPS protects transport but not against a compromised publisher or distribution endpoint, allowing arbitrary code execution with the user's permissions; this is the same underlying installation risk described in SQP-2.

Content

Scanner excerpt · SKILL.md (reported line 67)May include surrounding context.

The setup workflow executes remotely downloaded installation scripts without warning about the system-integrity risk.

Medium
Category
Output Handling
Confidence
97% confidence
Finding

The fallback setup directs execution of downloaded shell or PowerShell scripts without inspection, integrity verification, or explicit approval for installing software. If the distribution endpoint or delivery chain is compromised, attacker-controlled code could run with the invoking user's permissions; the missing-CLI condition limits exposure but does not eliminate it.

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 88)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