{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-06-03T00:40:17.634","vulnerabilities":[{"cve":{"id":"CVE-2026-0865","sourceIdentifier":"cna@python.org","published":"2026-01-20T22:15:52.800","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"User-controlled header names and values containing newlines can allow injecting HTTP headers."},{"lang":"es","value":"Nombres y valores de encabezado controlados por el usuario que contienen saltos de línea pueden permitir la inyección de encabezados HTTP."}],"metrics":{"cvssMetricV40":[{"source":"cna@python.org","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":5.9,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"HIGH","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}]},"weaknesses":[{"source":"cna@python.org","type":"Secondary","description":[{"lang":"en","value":"CWE-74"}]}],"references":[{"url":"https://github.com/python/cpython/commit/22e4d55285cee52bc4dbe061324e5f30bd4dee58","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/23e3c0ae867cca0130e441e776c9955b9027c510","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/286e3ac39984fe85a17f4ab39c64d382137aae5f","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/2f840249550e082dc351743f474ba56da10478d2","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/4802b96a2cde58570c24c13ef3289490980961c5","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/66da7bf6fe7b81e3ecc9c0a25bd47d4616c8d1a6","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/83ecd18779f286d872f68bfce175651e407d9fff","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/8bb044d29310bb05d15086cdaa8bf64867d61a97","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/bfba660085767f8c2d582134e9d511a85eda04cf","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/c592227ffb48679af9845a45dbb0875d975bb219","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/e4846a93ac07a8ae9aa18203af0dd13d6e7a6995","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/f7fceed79ca1bceae8dbe5ba5bc8928564da7211","source":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/143916","source":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/143917","source":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/BJ6QPHNSHJTS3A7CFV6IBMCAP2DWRVNT/","source":"cna@python.org"}]}}]}