Information disclosure in rclone - #VU147303
Published: September 7, 2026
Vulnerability identifier: #VU147303
CSH Severity: Low
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-200
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper redirect handling in the HTTP backend when following redirects to a different host. A remote attacker can cause a configured remote to redirect requests to another host to disclose sensitive information.
Configured custom headers can be forwarded to a different host, and Authorization and Cookie headers may be transmitted in cleartext following an HTTPS-to-HTTP redirect to the same host.
Affected software
rclone
Remediation
Install security update from vendor's website.
rclone - update to 1.75.1