{"id":"CVE-2026-30837","state":"PUBLISHED","title":"Elysia has a string URL format redos","description":"Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Prior to 1.4.26 , t.String({ format: 'url' }) is vulnerable to ReDoS. Repeating a partial url format (protocol and hostname) multiple times cause regex to slow down significantly. This vulnerability is fixed in 1.4.26.","publishedAt":"2026-03-10T20:12:14.627Z","updatedAt":"2026-03-11T15:33:53.271Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["elysiajs elysia"],"affected":[{"vendor":"elysiajs","product":"elysia","versions":[{"version":"< 1.4.26","status":"affected"}]}],"references":["https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x","https://github.com/EdamAme-x/elysia-poc-redos"],"weaknesses":["CWE-1333"],"ingestedAt":"2026-10-29T20:11:31.369Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/30xxx/CVE-2026-30837.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30837","state":"PUBLISHED","datePublished":"2026-03-10T20:12:14.627Z","dateUpdated":"2026-03-11T15:33:53.271Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-03-05T21:06:44.606Z"},"containers":{"cna":{"title":"Elysia has a string URL format redos","descriptions":[{"lang":"en","value":"Elysia is a Typescript framework for request validation, type inference, OpenAPI documentation and client-server communication. Prior to 1.4.26 , t.String({ format: 'url' }) is vulnerable to ReDoS. Repeating a partial url format (protocol and hostname) multiple times cause regex to slow down significantly. This vulnerability is fixed in 1.4.26."}],"affected":[{"vendor":"elysiajs","product":"elysia","versions":[{"version":"< 1.4.26","status":"affected"}]}],"references":[{"url":"https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x","name":"https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/EdamAme-x/elysia-poc-redos","name":"https://github.com/EdamAme-x/elysia-poc-redos","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-03-10T20:12:14.627Z"},"source":{"advisory":"GHSA-f45g-68q3-5w8x","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-11T15:32:36.602461Z","id":"CVE-2026-30837","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":"2026-03-11T15:33:53.271Z"}}]}}}