{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-09T07:56:02.155","vulnerabilities":[{"cve":{"id":"CVE-2026-23527","sourceIdentifier":"security-advisories@github.com","published":"2026-01-15T20:16:05.620","lastModified":"2026-04-13T17:16:27.900","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"H3 is a minimal H(TTP) framework built for high performance and portability. Prior to 1.15.5, there is a critical HTTP Request Smuggling vulnerability. readRawBody is doing a strict case-sensitive check for the Transfer-Encoding header. It explicitly looks for \"chunked\", but per the RFC, this header should be case-insensitive. This vulnerability is fixed in 1.15.5."},{"lang":"es","value":"H3 es un framework H(TTP) mínimo diseñado para alto rendimiento y portabilidad. Antes de 1.15.5, existe una vulnerabilidad crítica de contrabando de solicitudes HTTP. readRawBody realiza una comprobación estricta sensible a mayúsculas y minúsculas para el encabezado Transfer-Encoding. Busca explícitamente 'chunked', pero según la RFC, este encabezado debería ser insensible a mayúsculas y minúsculas. Esta vulnerabilidad está corregida en 1.15.5."}],"metrics":{"cvssMetricV31":[{"source":"security-advisories@github.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:L","baseScore":8.9,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"LOW"},"exploitabilityScore":2.2,"impactScore":6.0},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":9.8,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":5.9}]},"weaknesses":[{"source":"security-advisories@github.com","type":"Secondary","description":[{"lang":"en","value":"CWE-444"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:h3:h3:*:*:*:*:*:node.js:*:*","versionEndExcluding":"1.15.5","matchCriteriaId":"8AEE0C29-3BA5-4765-82CB-0CE73ACCEB77"}]}]}],"references":[{"url":"https://github.com/h3js/h3/commit/618ccf4f37b8b6148bea7f36040471af45bfb097","source":"security-advisories@github.com","tags":["Patch"]},{"url":"https://github.com/h3js/h3/releases/tag/v1.15.5","source":"security-advisories@github.com"},{"url":"https://github.com/h3js/h3/security/advisories/GHSA-mp2g-9vg9-f4cg","source":"security-advisories@github.com","tags":["Exploit","Vendor Advisory"]},{"url":"https://simonkoeck.com/writeups/h3-transfer-encoding-request-smuggling","source":"security-advisories@github.com"}]}}]}