{"schemaVersion":3,"id":"CVE-2026-88013","aliases":["UBUNTU-CVE-2026-88013","DEBIAN-CVE-2026-88013","CGA-f746-q7fx-667c","CGA-hvfm-67vm-4mvv","GHSA-486v-q2wf-fp2r","BIT-rclone-2026-88013","GO-2026-6463","CGA-397x-mjmg-cv8r","CGA-6m53-9wm2-4542","CGA-8vwf-3qcq-f959","CGA-w8pp-vhpv-c384"],"status":"published","duplicateOf":null,"title":null,"description":"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. 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