Vulnerability in rclone

[ Why it matters ]Priority signals

• Public proof-of-concept exploit exists (CISA SSVC)

[ Description ]Official description

rclone from 1.37 before 1.74.2 contains a server-side request forgery vulnerability that allows unauthenticated attackers to redirect http and netstorage backend requests by supplying a double-slash root on an existing named remote via --rc-serve. Attackers can make HEAD/GET requests to attacker-chosen hosts to read responses, capture configured custom headers, or obtain valid NetStorage request signatures.

[ Fixes ]Fixes and patches

No fix or interim patch is linked from our sources yet. Check the vendor references below and limit exposure of affected systems until a fix is available.

[ Advisories ]Government CERT advisories

• BSI CERT-Bund25 Oct 2026WID-SEC-2026-4156

  rclone: Multiple vulnerabilities Translated from German

  CVE-2026-116187CVE-2026-116191CVE-2026-116193+7 more CVEs

[ References ]References

• github.com/rclone/rclone/security/advisories/GHSA-xqmq-v4wj-rw5mVendor Advisory
• www.vulncheck.com/advisories/rclone-from-1.37-before-1.74.2-ssrf-via-rc-serve-scheme-re…Third Party Advisory