{"id":"JLSEC-2026-1216","summary":"When reusing a libcurl handle for sequential transfers driven by environment-variable proxy...","details":"When reusing a libcurl handle for sequential transfers driven by\nenvironment-variable proxy configuration, libcurl fails to clear the proxy\nauthentication state between requests. Specifically, if the initial transfer\nauthenticates against `proxyA` using Digest auth, a subsequent transfer routed\nthrough `proxyB` erroneously leaks the `Proxy-Authorization:` header intended\nsolely for `proxyA`.","modified":"2026-08-07T20:28:39.064045373Z","published":"2026-08-07T20:11:58.984Z","upstream":["CVE-2026-8927","EUVD-2026-41508","GHSA-jr4f-4564-w3mr"],"database_specific":{"license":"CC-BY-4.0","sources":[{"url":"https://services.nvd.nist.gov/rest/json/cves/2.0?cveId=CVE-2026-8927","html_url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8927","database_specific":{"status":"Analyzed"},"id":"CVE-2026-8927","imported":"2026-08-07T19:54:38.927Z","modified":"2026-07-07T23:21:03.530Z","published":"2026-07-03T07:16:25.123Z"},{"html_url":"https://github.com/advisories/GHSA-jr4f-4564-w3mr","id":"GHSA-jr4f-4564-w3mr","imported":"2026-08-07T19:56:09.418Z","modified":"2026-07-08T00:38:56Z","published":"2026-07-03T09:31:27Z","url":"https://api.github.com/advisories/GHSA-jr4f-4564-w3mr"},{"imported":"2026-08-07T19:54:59.658Z","modified":"2026-07-06T17:01:06Z","published":"2026-07-03T06:16:06Z","url":"https://euvdservices.enisa.europa.eu/api/enisaid?id=EUVD-2026-41508","html_url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-41508","id":"EUVD-2026-41508"}]},"references":[{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8927.html"},{"type":"WEB","url":"https://curl.se/docs/CVE-2026-8927.json"},{"type":"WEB","url":"https://github.com/advisories/GHSA-jr4f-4564-w3mr"},{"type":"WEB","url":"https://hackerone.com/reports/3744543"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8927"}],"affected":[{"package":{"name":"CURL_jll","ecosystem":"Julia","purl":"pkg:julia/CURL_jll?uuid=b21e61f3-bafc-59ac-ab14-4c5c62d6588d"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.21.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1216.json"}},{"package":{"name":"LibCURL_jll","ecosystem":"Julia","purl":"pkg:julia/LibCURL_jll?uuid=deac9b47-8bc7-5906-a0fe-35ac56dc84c0"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"8.21.0+0"}]}],"database_specific":{"source":"https://github.com/JuliaLang/SecurityAdvisories.jl/tree/generated/osv/2026/JLSEC-2026-1216.json"}}],"schema_version":"1.8.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}