{"id":"CVE-2026-79779","aliases":["GHSA-h4mf-4v27-hggj","GO-2026-6197"],"url":"https://o3.security/vulnerability/CVE-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.","published":"2026-08-25T15:16:09.110Z","modified":"2026-09-12T03:31:01.299228473Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Go","name":"github.com/rclone/rclone","fixedVersion":"1.75.0"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/79xxx/CVE-2026-79779.json"},{"type":"ADVISORY","url":"https://github.com/rclone/rclone/security/advisories/GHSA-h4mf-4v27-hggj"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79779"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/rclone-before-webdav-credential-exposure-via-https-to-http-redirect"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-12T03:31:01.299228473Z"}}