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Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.
rclone is a command-line program to sync files and directories to and from different cloud storage providers. From 1.49.0 until 1.75.1, the HTTP backend attaches headers configured through --http-headers or headers= to requests in backend/http/http.go, while its fshttp.NewClient client follows redirects without a backend-specific http.Client.CheckRedirect policy. A configured remote that redirects to another host can therefore cause custom secrets such as X-Api-Key to be resent to that untrusted destination, and a same-host HTTPS-to-HTTP redirect can expose Authorization or Cookie headers in cleartext. Listing, stat, download, mount, and serve operations can trigger the leak during normal use. This issue is fixed in version 1.75.1.
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Shown as published. These rules are not interpreted as NuGet package version ranges.
{
"vendor": "rclone",
"product": "rclone",
"versions": [
{
"version": ">= 1.49.0, < 1.75.1",
"status": "affected"
}
]
}Original source record · Cite this exact observation · Complete original publisher JSON