CVE-2026-79779
Medium
Description
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductGithub.com/rclone/rclone
PublishedAug 25, 2026
First seenAug 25, 2026
Weakness typeCWE-319CWE-319
How to fix
Update
- github.com/rclone/rclone1.75.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| github.com/rclone/rcloneGo | v < 1.75.0 | 1.75.0 |
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