What’s Vulnerable › Vulnerabilities

CVE-2026-59733: rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-07-14 · updated 2026-07-29
• Weakness: CWE-22

Description

Rclone is a command-line program to sync files and directories to and from different cloud storage providers. Prior to 1.74.4, rclone serve restic --private-repos enforces authorization using the routed user path segment while building the backend object key from the raw uncleaned URL path, allowing an authenticated user to include .. in a request such as //..//config and read, overwrite, or delete another user's private repository on backends that clean path components. This issue is fixed in version 1.74.4.

Affected products

• rclone: before 1.74.4 — fixed in 1.74.4

How to fix

Upgrade to a fixed version: rclone 1.74.4. Check the vendor advisory for mitigations.

References

• https://github.com/rclone/rclone/commit/015fd0eba1cb138eef081517795fed47a2873f2d
• https://github.com/rclone/rclone/commit/dade21c1616035b044df0eef7ee6a85aeb06a139
• https://github.com/rclone/rclone/releases/tag/v1.74.4
• https://github.com/rclone/rclone/security/advisories/GHSA-fqj9-69pf-6pjg

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