{"id":"CVE-2026-54663","state":"PUBLISHED","title":"swagger-typescript-api vulnerable to Server-Side Request Forgery via spec `$ref`","description":"swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/resolved-swagger-schema.ts warmUpRemoteSchemasCache resolves external $ref URLs and fetchRemoteSchemaDocument uses isHttpUrl to fetch any http or https target without private IP, redirect, DNS rebinding, or same-origin validation, allowing an attacker-controlled OpenAPI spec to make the generator issue requests to internal or link-local services. This issue is fixed in version 13.12.2.","publishedAt":"2026-07-29T14:28:33.360Z","updatedAt":"2026-07-29T14:58:32.750Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["acacode swagger-typescript-api"],"affected":[{"vendor":"acacode","product":"swagger-typescript-api","versions":[{"version":"< 13.12.2","status":"affected"}]}],"references":["https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-x36r-4347-pm5x","https://github.com/acacode/swagger-typescript-api/pull/1779","https://github.com/acacode/swagger-typescript-api/commit/306d59acb8ffbb00f953f807b97234b21f51d9de","https://github.com/acacode/swagger-typescript-api/releases/tag/v13.12.2"],"weaknesses":["CWE-20","CWE-441","CWE-918"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/54xxx/CVE-2026-54663.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-54663","state":"PUBLISHED","datePublished":"2026-07-29T14:28:33.360Z","dateUpdated":"2026-07-29T14:58:32.750Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-06-15T20:16:46.199Z"},"containers":{"cna":{"title":"swagger-typescript-api vulnerable to Server-Side Request Forgery via spec `$ref`","descriptions":[{"lang":"en","value":"swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/resolved-swagger-schema.ts warmUpRemoteSchemasCache resolves external $ref URLs and fetchRemoteSchemaDocument uses isHttpUrl to fetch any http or https target without private IP, redirect, DNS rebinding, or same-origin validation, allowing an attacker-controlled OpenAPI spec to make the generator issue requests to internal or link-local services. This issue is fixed in version 13.12.2."}],"affected":[{"vendor":"acacode","product":"swagger-typescript-api","versions":[{"version":"< 13.12.2","status":"affected"}]}],"references":[{"url":"https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-x36r-4347-pm5x","name":"https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-x36r-4347-pm5x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/acacode/swagger-typescript-api/pull/1779","name":"https://github.com/acacode/swagger-typescript-api/pull/1779","tags":["x_refsource_MISC"]},{"url":"https://github.com/acacode/swagger-typescript-api/commit/306d59acb8ffbb00f953f807b97234b21f51d9de","name":"https://github.com/acacode/swagger-typescript-api/commit/306d59acb8ffbb00f953f807b97234b21f51d9de","tags":["x_refsource_MISC"]},{"url":"https://github.com/acacode/swagger-typescript-api/releases/tag/v13.12.2","name":"https://github.com/acacode/swagger-typescript-api/releases/tag/v13.12.2","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-20","lang":"en","description":"CWE-20: Improper Input Validation","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-441","lang":"en","description":"CWE-441: Unintended Proxy or Intermediary ('Confused Deputy')","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-07-29T14:28:33.360Z"},"source":{"advisory":"GHSA-x36r-4347-pm5x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/acacode/swagger-typescript-api/security/advisories/GHSA-x36r-4347-pm5x","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-07-29T14:58:23.239526Z","id":"CVE-2026-54663","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-07-29T14:58:32.750Z"}}]}}}