{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-08-04T09:06:13.858","vulnerabilities":[{"cve":{"id":"CVE-2024-1135","sourceIdentifier":"security@huntr.dev","published":"2024-04-16T00:15:07.797","lastModified":"2026-06-17T07:03:32.610","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"Gunicorn fails to properly validate Transfer-Encoding headers, leading to HTTP Request Smuggling (HRS) vulnerabilities. By crafting requests with conflicting Transfer-Encoding headers, attackers can bypass security restrictions and access restricted endpoints. This issue is due to Gunicorn's handling of Transfer-Encoding headers, where it incorrectly processes requests with multiple, conflicting Transfer-Encoding headers, treating them as chunked regardless of the final encoding specified. This vulnerability allows for a range of attacks including cache poisoning, session manipulation, and data exposure."},{"lang":"es","value":"Gunicorn no puede validar correctamente los encabezados Transfer-Encoding, lo que genera vulnerabilidades de contrabando de solicitudes HTTP (HRS). Al manipular solicitudes con encabezados Transfer-Encoding conflictivos, los atacantes pueden eludir las restricciones de seguridad y acceder a endpoints restringidos. Este problema se debe al manejo que hace Gunicorn de los encabezados Transfer-Encoding, donde procesa incorrectamente solicitudes con múltiples encabezados Transfer-Encoding conflictivos, tratándolos como fragmentados independientemente de la codificación final especificada. Esta vulnerabilidad permite una variedad de ataques que incluyen envenenamiento de caché, manipulación de sesiones y exposición de datos."}],"affected":[{"source":"security@huntr.dev","affectedData":[{"vendor":"benoitc","product":"benoitc/gunicorn","versions":[{"version":"unspecified","lessThanOrEqual":"latest","versionType":"custom","status":"affected"}]}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","affectedData":[{"vendor":"benoitc","product":"gunicorn","defaultStatus":"unknown","cpes":["cpe:2.3:a:benoitc:gunicorn:*:*:*:*:*:*:*:*"],"versions":[{"version":"*","status":"affected"}]}]}],"metrics":{"cvssMetricV30":[{"source":"security@huntr.dev","type":"Secondary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2024-04-19T17:32:23.631972Z","id":"CVE-2024-1135","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"security@huntr.dev","type":"Secondary","description":[{"lang":"en","value":"CWE-444"}]}],"references":[{"url":"https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1","source":"security@huntr.dev"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00027.html","source":"security@huntr.dev"},{"url":"https://huntr.com/bounties/22158e34-cfd5-41ad-97e0-a780773d96c1","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00027.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2024/12/msg00018.html","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}