{"id":"AZL-94098","summary":"CVE-2026-66339 affecting package libsoup 3.4.4-16","details":"A flaw was found in libsoup. After a CONNECT tunnel is established through an HTTP proxy, libsoup incorrectly attaches the Proxy-Authorization header to subsequent HTTPS requests sent through that tunnel to the destination server. This allows the destination server to capture proxy credentials, leading to information disclosure.","modified":"2026-08-29T05:27:27Z","published":"2026-07-24T23:16:52Z","upstream":["CVE-2026-66339"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-66339"}],"affected":[{"package":{"name":"libsoup","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/libsoup"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"3.4.4-16"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-94098.json"}}],"schema_version":"1.9.0"}