CVE-2026-41176

Rclone vulnerability

CVSS

9.8

EPSS

34.7%

EPSS pct

98th

Exploited

No known

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 the RC option block itself. Starting in version 1.45.0 and prior to version 1.73.5, an unauthenticated attacker can set `rc.NoAuth=true`, which disables the authorization gate for many RC methods registered with `AuthRequired: true` on reachable RC servers that are started without global HTTP authentication. This can lead to unauthorized access to sensitive administrative functionality, including configuration and operational RC methods. Version 1.73.5 patches the issue.

Affected vendor

Rclone

Affected product

Rclone

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness type (CWE)

CWE-306 — Missing Authentication for Critical Function
CWE-15

Published

2026-04-23

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 34.7% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 98% of all scored CVEs.

Check your external exposure to CVE-2026-41176

Confirm whether Rclone Rclone is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2026-41176.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2026-41176

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2026-41176 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2026-41176?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2026-41176.

Start free scan

No credit card. Agentless.

Related vulnerabilities

CRITICAL

CVE-2019-0626

Windows 10 vulnerability

Ftpgetter vulnerability