{"id":"CLEANSTART-2026-QD51578","summary":"Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information","details":"Security vulnerability affects the buildkitd package. Proxy-Authorization and Proxy-Authenticate headers persisted on cross-origin redirects potentially leaking sensitive information.","modified":"2026-10-01T03:00:07.491796730Z","published":"2026-09-30T19:24:10.419281Z","upstream":["CVE-2025-4673"],"database_specific":{},"references":[{"type":"ADVISORY","url":"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-QD51578.json"},{"type":"WEB","url":"https://osv.dev/vulnerability/CVE-2025-4673"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-4673"}],"affected":[{"package":{"name":"buildkitd","ecosystem":"CleanStart"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.26.3-r0"}]}],"database_specific":{"source":"https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-QD51578.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N"}]}