{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-30837","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-05T21:06:44.606Z","datePublished":"2026-03-10T20:12:14.627Z","dateUpdated":"2026-03-11T15:33:53.271Z"},"containers":{"cna":{"title":"Elysia has a string URL format redos","problemTypes":[{"descriptions":[{"cweId":"CWE-1333","lang":"en","description":"CWE-1333: Inefficient Regular Expression Complexity","type":"CWE"}]}],"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"}}],"references":[{"name":"https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x","tags":["x_refsource_CONFIRM"],"url":"https://github.com/elysiajs/elysia/security/advisories/GHSA-f45g-68q3-5w8x"},{"name":"https://github.com/EdamAme-x/elysia-poc-redos","tags":["x_refsource_MISC"],"url":"https://github.com/EdamAme-x/elysia-poc-redos"}],"affected":[{"vendor":"elysiajs","product":"elysia","versions":[{"version":"< 1.4.26","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-10T20:12:14.627Z"},"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."}],"source":{"advisory":"GHSA-f45g-68q3-5w8x","discovery":"UNKNOWN"}},"adp":[{"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"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-03-11T15:33:53.271Z"}}]}}