Information Exposure Through an Error Message in rclone - #VU140651
Published: August 1, 2026
Vulnerability identifier: #VU140651
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-209
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote user to disclose sensitive information.
The vulnerability exists due to improper error handling in the RC API job runner when recovering from a panic in an API call. A remote privileged user can trigger a panic and receive a JSON error response containing a full Go stack trace to disclose sensitive information.
The response may expose internal file paths, dependency versions, goroutine state, memory addresses, and the first unparseable line of a target file.
Affected software
rclone
Remediation
Install security update from vendor's website.
rclone - update to 1.75.0