Vulnerability · Published Aug 25, 2026 · Assigned by VulnCheck
CVE-2026-79776rclone before 1.75.0 Authentication Bypass via pprof
Medium 5.3
In plain English
A medium-severity information exposure in rclone from rclone. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities).
Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.4%top 67.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
rclone before 1.75.0 mounts the pprof debug handler as its own router route, bypassing the fail-closed authentication rule in the main handler. Attackers can access the /debug/pprof/cmdline endpoint unauthenticated to retrieve the full process argv including backend credentials.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | rclone | no fix listed | DEBIAN-CVE-2026-79776 |
| Debian:13 | rclone | no fix listed | DEBIAN-CVE-2026-79776 |
| Ubuntu:26.10 | rclone | no fix listed | UBUNTU-CVE-2026-79776 |
Affected products (as reported)
Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
References
- GitHub Security Advisory (GHSA-mfvx-7rcj-9m5g) vendor-advisory
- VulnCheck Advisory: rclone before 1.75.0 Authentication Bypass via pprof third-party-advisory