{"id":"EUVD-2026-112078","revision":"bff7225da603448fa36ec0d92b64bc90","records":[{"revision":"bff7225da603448fa36ec0d92b64bc90","observedAt":"2026-10-30T10:50:55.29+00:00","statement":{"source":"euvd","id":"EUVD-2026-112078","aliases":["CVE-2026-59176","GHSA-wcjj-9m6g-2fr2"],"title":"Functype is a family of TypeScript functional programming libraries. Prior to 1.4.4, the `set_functype_version` MCP tool in `functype-mcp-server` accepts an unconstrained `version` string using only `z.string()` validation in `packages/mcp-…","description":"Functype is a family of TypeScript functional programming libraries. Prior to 1.4.4, the `set_functype_version` MCP tool in `functype-mcp-server` accepts an unconstrained `version` string using only `z.string()` validation in `packages/mcp-server/src/index.ts` and interpolates it into `functype@<version>` for `pnpm add`. Package-alias syntaxes such as `file:`, `npm:`, URLs, or paths can cause an arbitrary local or remote package to be installed as functype. Immediately afterward, `initDocsData(true)` in `packages/mcp-server/src/lib/docs/data.ts` resolves `functype/cli` and dynamically imports the newly installed module, executing attacker-controlled JavaScript with the MCP server process's privileges. Any MCP client able to send a `tools/call` request invoking the tool can exploit the flaw; the tool is enabled by default without authentication in `stdio` mode. A connected AI assistant susceptible to indirect prompt injection can also be induced to invoke it from a malicious document or web page. In non-default `TRANSPORT_TYPE=httpStream` deployments, a network-accessible attacker does not require local access. Successful execution can read process secrets, modify files, or terminate the server. This issue is fixed in `version` 1.4.4.","state":0,"publishedAt":null,"modifiedAt":null,"affected":[],"metrics":[{"system":"EUVD CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":7.8,"severity":null}],"references":["https://github.com/jordanburke/functype/security/advisories/GHSA-wcjj-9m6g-2fr2","https://github.com/jordanburke/functype/commit/c0d58ad9c2a7d15c6117bd3adbbd75de37317dcf","https://github.com/jordanburke/functype/releases/tag/v1.4.4"],"sourceUrl":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-112078","license":"ENISA EUVD · source terms and attribution apply","enrichment":{"sourceStatus":null,"weaknesses":[],"productCriteria":[],"sourceDates":{"datePublished":"Oct 28, 2026, 1:08:52 PM","dateUpdated":"Oct 28, 2026, 1:08:52 PM"},"relatedAdvisories":[],"note":"EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON."},"key":"euvd:EUVD-2026-112078","identifiers":["EUVD-2026-112078","CVE-2026-59176","GHSA-wcjj-9m6g-2fr2"]},"retained":false,"historicalAffected":[]}],"coverage":[]}