{"id":"DEBIAN-CVE-2026-79779","details":"rclone versions before v1.75.0 fail to reject transport downgrades in redirect handling, allowing Basic authorization and Cookie headers to be replayed over plaintext HTTP after same-host HTTPS-to-HTTP redirects. An on-path attacker observing the plaintext hop can capture and reuse credentials to perform WebDAV operations with the compromised account's permissions.","modified":"2026-09-11T08:47:38.233096790Z","published":"2026-08-25T16:17:29.807Z","upstream":["CVE-2026-79779"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-79779"}],"affected":[{"package":{"name":"rclone","ecosystem":"Debian:12","purl":"pkg:deb/debian/rclone?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.60.1+dfsg-2","1.60.1+dfsg-3","1.60.1+dfsg-4","1.65.0+dfsg-1","1.65.0+dfsg-2","1.69.3+dfsg-1","1.69.3+dfsg-2","1.69.3+dfsg-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-79779.json"}},{"package":{"name":"rclone","ecosystem":"Debian:13","purl":"pkg:deb/debian/rclone?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.60.1+dfsg-4","1.65.0+dfsg-1","1.65.0+dfsg-2","1.69.3+dfsg-1","1.69.3+dfsg-2","1.69.3+dfsg-3"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-79779.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:A/AC:H/AT:P/PR:N/UI:N/VC:H/VI:N/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"}]}