Auth bypass in Rclone
CVE-2026-41176
Rclone is a command-line program to sync files and directories to and from different cloud storage providers. The RC endpoint `options/set` is exposed without `AuthRequired: true`, but it can mutate global runtime configuration, including…
Vulnerability class: Broken Authentication
EPSS: 0.347 (98.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rclone — versions >= 1.45.0, < 1.73.5
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
- 0b0ca135-0b70-47e7-9f44-1890c2a1c46c
Frequently asked questions
- What is CVE-2026-41176?
- CVE-2026-41176 is a critical-severity vulnerability in Rclone, classified under Missing Authentication for Critical Function. CVSS score: 9.8/10. Published 2026-04-23.
- How severe is CVE-2026-41176?
- Critical severity. CVSS v3 base score is 9.8 out of 10.