CVE-2026-88013
mediumrclone is a command-line program to sync files and directories to and from different cloud storage providers.
Vendor / product: Rclone — rclone
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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N Affected products
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
References
- https://github.com/rclone/rclone/commit/22859b7e696cea3c563c6ba04c6b7f91f74456b4 security-advisories@github.com
- https://github.com/rclone/rclone/commit/79fbc0842f74e02cb84f0e3e7261d169983c8831 security-advisories@github.com
- https://github.com/rclone/rclone/commit/925fb4fb21eb25e75cd1b64fdd17ded857784bfc security-advisories@github.com
- https://github.com/rclone/rclone/releases/tag/v1.75.1 security-advisories@github.com
- https://github.com/rclone/rclone/security/advisories/GHSA-486v-q2wf-fp2r security-advisories@github.com
- https://github.com/rclone/rclone/security/advisories/GHSA-486v-q2wf-fp2r 134c704f-9b21-4f2e-91b3-4a467353bcc0