{"items":[{"id":"NVI-00014989","kind":"vulnerability","title":"Token Optimizer MCP: OS command injection in smart_user via username in get-user-info","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-49mq-fc6q-3h46","CVE-2026-55157"],"plain_summary":"GitHub lists this reviewed advisory for @ooples/token-optimizer-mcp. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-095d4f867fe95c910b77ab8c6aca5d5b"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-14T21:42:06.000Z","value":"8.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-01e432c076c612432446cbd1c711b609"},{"kind":"EPSS","as_of":"2026-11-05T12:03:04.000Z","value":"0.881%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.59264. Missing scores are unknown.","source_id":"sr-095d4f867fe95c910b77ab8c6aca5d5b"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-01e432c076c612432446cbd1c711b609","url":"https://github.com/advisories/GHSA-49mq-fc6q-3h46","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-49mq-fc6q-3h46","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:15:44.568Z"},{"id":"sr-095d4f867fe95c910b77ab8c6aca5d5b","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-55157","publisher":"FIRST EPSS","observed_at":"2026-11-06T07:17:46.385Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-01e432c076c612432446cbd1c711b609"],"technology":"@ooples/token-optimizer-mcp","known_exclusions":[],"conditions_summary":"### Summary\n\n`token-optimizer-mcp` is vulnerable to OS command injection in the `smart_user` tool.\n\nThe `get-user-info` operation accepts a user-controlled `username` argument and later interpolates it into a shell command executed through `execAsync()`:\n\n```ts\ngetent passwd \"${username}\" || grep \"^${username}:\" /etc/passwd\n```\n\nAlthough the value is wrapped in double quotes, POSIX shells still evaluate command substitution such as `$(...)` and backticks inside double quotes. As a result, an MCP client can provide a crafted username such as:\n\n```text\n$(id > /tmp/TOKEN_OPTIMIZER_SMART_USER_ID)\n```\n\nand execute arbitrary local commands with the privileges of the user running the MCP server.\n\nThis is a CWE-78 OS command injection issue.\n\nTested version:\n\n```text\n@ooples/token-optimizer-mcp v5.0.1\nMCP serverInfo.name: token-optimizer-mcp\nMCP serverInfo.version: 0.2.0\n```\n\nThis issue is not related to the current `npm audit` dependency advisories. The vulnerability is in `token-optimizer-mcp`'s own tool implementation.\n\n---\n\n### Details\n\nThe vulnerable code path is in the `smart_user` implementation.\n\nThe `username` argument is eventually passed into a shell command similar to:\n\n```ts\nc","public_affected_ranges":["< 5.1.0"]}],"null_published_at":"2026-11-08T15:11:49.413Z","source_updated_at":"2026-08-14T21:42:06.000Z","source_disclosed_at":"2026-08-14T21:42:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-02T20:15:44.568Z"},{"id":"NVI-00014989","kind":"vulnerability","title":"Token Optimizer MCP: OS command injection in smart_user via username in get-user-info","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-49mq-fc6q-3h46","CVE-2026-55157"],"plain_summary":"GitHub lists this reviewed advisory for @ooples/token-optimizer-mcp. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-01e432c076c612432446cbd1c711b609"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-08-14T21:42:06.000Z","value":"8.4 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-01e432c076c612432446cbd1c711b609"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-01e432c076c612432446cbd1c711b609","url":"https://github.com/advisories/GHSA-49mq-fc6q-3h46","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-49mq-fc6q-3h46","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T20:15:44.568Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-01e432c076c612432446cbd1c711b609"],"technology":"@ooples/token-optimizer-mcp","known_exclusions":[],"conditions_summary":"### Summary\n\n`token-optimizer-mcp` is vulnerable to OS command injection in the `smart_user` tool.\n\nThe `get-user-info` operation accepts a user-controlled `username` argument and later interpolates it into a shell command executed through `execAsync()`:\n\n```ts\ngetent passwd \"${username}\" || grep \"^${username}:\" /etc/passwd\n```\n\nAlthough the value is wrapped in double quotes, POSIX shells still evaluate command substitution such as `$(...)` and backticks inside double quotes. As a result, an MCP client can provide a crafted username such as:\n\n```text\n$(id > /tmp/TOKEN_OPTIMIZER_SMART_USER_ID)\n```\n\nand execute arbitrary local commands with the privileges of the user running the MCP server.\n\nThis is a CWE-78 OS command injection issue.\n\nTested version:\n\n```text\n@ooples/token-optimizer-mcp v5.0.1\nMCP serverInfo.name: token-optimizer-mcp\nMCP serverInfo.version: 0.2.0\n```\n\nThis issue is not related to the current `npm audit` dependency advisories. The vulnerability is in `token-optimizer-mcp`'s own tool implementation.\n\n---\n\n### Details\n\nThe vulnerable code path is in the `smart_user` implementation.\n\nThe `username` argument is eventually passed into a shell command similar to:\n\n```ts\nc","public_affected_ranges":["< 5.1.0"]}],"null_published_at":"2026-11-03T10:03:26.532Z","source_updated_at":"2026-08-14T21:42:06.000Z","source_disclosed_at":"2026-08-14T21:42:06.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-02T20:15:44.568Z"}],"next_cursor":null,"snapshot_revision":"42594"}