Token Optimizer MCP: OS command injection in smart_user via username in get-user-info

Date Aug 14, 2026

Type Vendor advisory

Signal High-risk advisory

Vendor / Product npm · @ooples/token-optimizer-mcp

CVE CVE-2026-55157

High-risk advisory CVE-2026-55157

Summary

Token Optimizer MCP: OS command injection in smart_user via username in get-user-info

Why it matters

GitHub has published a reviewed security advisory for @ooples/token-optimizer-mcp. Prioritize it with other application dependency updates.

Operator check

Check whether @ooples/token-optimizer-mcp is present in application dependency manifests, lockfiles, or build images. Review the GitHub advisory and upgrade to a patched version where available.

Sources

GitHub Advisory GHSA-49mq-fc6q-3h46 NVD — CVE-2026-55157 Source reference

PatchBrief uses public sources. It does not scan environments, verify exposure, or replace vendor guidance.

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