{"id":"CVE-2023-51701","state":"PUBLISHED","title":"@fastify-reply-from JSON Content-Type parsing confusion","description":"fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. A reverse proxy server built with `@fastify/reply-from` could misinterpret the incoming body by passing an header `ContentType: application/json ; charset=utf-8`. This can lead to bypass of security checks. This vulnerability has been patched in '@fastify/reply-from` version 9.6.0. \n","publishedAt":"2024-01-08T13:55:05.071Z","updatedAt":"2025-06-03T14:37:39.150Z","severity":{"score":5.3,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["fastify fastify-reply-from"],"affected":[{"vendor":"fastify","product":"fastify-reply-from","versions":[{"version":"< 9.6.0","status":"affected"}]}],"references":["https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp","https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0"],"weaknesses":["CWE-444"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/51xxx/CVE-2023-51701.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-51701","state":"PUBLISHED","datePublished":"2024-01-08T13:55:05.071Z","dateUpdated":"2025-06-03T14:37:39.150Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2023-12-21T21:32:12.991Z"},"containers":{"cna":{"title":"@fastify-reply-from JSON Content-Type parsing confusion","descriptions":[{"lang":"en","value":"fastify-reply-from is a Fastify plugin to forward the current HTTP request to another server. A reverse proxy server built with `@fastify/reply-from` could misinterpret the incoming body by passing an header `ContentType: application/json ; charset=utf-8`. This can lead to bypass of security checks. This vulnerability has been patched in '@fastify/reply-from` version 9.6.0. \n"}],"affected":[{"vendor":"fastify","product":"fastify-reply-from","versions":[{"version":"< 9.6.0","status":"affected"}]}],"references":[{"url":"https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp","name":"https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0","name":"https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-444","lang":"en","description":"CWE-444: Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2024-01-08T13:55:05.071Z"},"source":{"advisory":"GHSA-v2v2-hph8-q5xp","discovery":"UNKNOWN"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp","name":"https://github.com/fastify/fastify-reply-from/security/advisories/GHSA-v2v2-hph8-q5xp","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0","name":"https://github.com/fastify/fastify-reply-from/releases/tag/v9.6.0","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T22:40:34.194Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-05-08T15:43:47.541104Z","id":"CVE-2023-51701","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-06-03T14:37:39.150Z"}}]}}}