CVE-2026-79779
6
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
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| rclone | rclone | 0 < 1.75.0 | affected |
| rclone | rclone | 1.75.0 | unaffected |
Weaknesses
- CWE-319: Cleartext Transmission of Sensitive Information
References
- https://github.com/rclone/rclone/security/advisories/GHSA-h4mf-4v27-hggj
- https://www.vulncheck.com/advisories/rclone-before-webdav-credential-exposure-via-https-to-http-redirect
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