{"action":"Upgrade @ooples/token-optimizer-mcp to 5.1.0 or later.","affected":[{"fixed":"5.1.0","introduced":"0"}],"component":"@ooples/token-optimizer-mcp","cve_ids":["CVE-2026-55157"],"ecosystem":"npm","epss":0.00881,"exploited":false,"fixed_versions":["5.1.0"],"ghsa_id":"GHSA-49mq-fc6q-3h46","id":"tcs_01M5KEZZ1WESC1N892V4VQTA0Q","modified_at":"2026-08-14T21:56:05.559576Z","published_at":"2026-08-14T21:42:06Z","references":["https://osv.dev/vulnerability/GHSA-49mq-fc6q-3h46","https://github.com/ooples/token-optimizer-mcp/security/advisories/GHSA-49mq-fc6q-3h46","https://github.com/ooples/token-optimizer-mcp/commit/b4ee96dac799cbfba0a9f9c17844ce9d613cbcc7","https://github.com/ooples/token-optimizer-mcp","https://github.com/ooples/token-optimizer-mcp/releases/tag/v5.1.0"],"severity":{"label":"high","score":8.4},"sources":[{"source":"osv","source_id":"GHSA-49mq-fc6q-3h46","url":"https://osv.dev/vulnerability/GHSA-49mq-fc6q-3h46"}],"summary":"Token Optimizer MCP: OS command injection in smart_user via username in get-user-info"}