PT-2026-81368 · Rclone · Rclone

·

CVE-2026-79779

·

Published

2026-08-05

·

Updated

2026-08-25

CVSS v4.0

6.0

Medium

VectorAV: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
Name of the Vulnerable Software and Affected Versions rclone versions prior to 1.75.0
Description The software fails to reject transport downgrades during redirect handling. This allows Basic authorization and Cookie headers to be replayed over plaintext HTTP following same-host HTTPS-to-HTTP redirects. An on-path attacker observing the plaintext communication can capture and reuse these credentials to perform WebDAV operations using the permissions of the compromised account.
Recommendations Update rclone to version 1.75.0 or later.

Exploit

Fix

Insufficiently Protected Credentials

Cleartext Transmission of Sensitive Information

Found an issue in the description? Have something to add? Feel free to write us 👾

Weakness Enumeration

Related Identifiers

CVE-2026-79779
GHSA-H4MF-4V27-HGGJ
GO-2026-6197

Affected Products

Rclone