{"id":"BIT-rclone-2026-79779","summary":"rclone before v1.75.0 WebDAV Credential Exposure via HTTPS-to-HTTP Redirect","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.","aliases":["CVE-2026-79779","GHSA-h4mf-4v27-hggj","GO-2026-6197"],"modified":"2026-09-25T14:25:56.710601399Z","published":"2026-09-25T12:30:11.727Z","database_specific":{"severity":"Medium","cpes":["cpe:2.3:a:rclone:rclone:*:*:*:*:*:go:*:*"]},"references":[{"type":"WEB","url":"https://github.com/rclone/rclone/security/advisories/GHSA-h4mf-4v27-hggj"},{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79779"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/rclone-before-webdav-credential-exposure-via-https-to-http-redirect"}],"affected":[{"package":{"name":"rclone","ecosystem":"Bitnami","purl":"pkg:bitnami/rclone"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.75.0"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/rclone/BIT-rclone-2026-79779.json"},"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"}]}],"schema_version":"1.9.0"}