{"id":"CVE-2026-1502","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-1502","generatedAt":"2026-10-28T02:10:08.430Z","title":"CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.","description":"CR/LF bytes were not rejected by HTTP client proxy tunnel headers or host.","published":"2026-04-10T18:16:41.000Z","lastModified":"2026-10-26T21:10:00.000Z","status":"Awaiting Analysis","sourceIdentifier":"cna@python.org","cvss":{"version":"4.0","score":5.7,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/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/M"},"cwe":["CWE-93"],"affected":[],"epss":{"score":0.00562,"percentile":0.46511,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.56%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://github.com/python/cpython/commit/05ed7ce7ae9e17c23a04085b2539fe6d6d3cef69","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/56b7100b04e44ea27989242b176beb8f016b2c53","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/58703ec1bdd1eb075e8b01a0c427683ce594dd3e","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/9e071c9b28c17f347f81b388a003d4eeb3c7a8dd","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/b1cf9016335cb637c5a425032e8274a224f4b2ed","source":"cna@python.org"},{"url":"https://github.com/python/cpython/commit/c00c386faa579ad71196d33408644478488e43ec","source":"cna@python.org"},{"url":"https://github.com/python/cpython/issues/146211","source":"cna@python.org"},{"url":"https://github.com/python/cpython/pull/146212","source":"cna@python.org"},{"url":"https://mail.python.org/archives/list/security-announce@python.org/thread/2IVPAEQWUJBCTQZEJEVTYCIKSMQPGRZ3/","source":"cna@python.org"},{"url":"http://www.openwall.com/lists/oss-security/2026/04/11/4","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-1502","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}