# CVE-2026-59733 — rclone

> As of 2026-07-15, CVE-2026-59733 is a HIGH-severity vulnerability in rclone, CVSS v3.1 8.8, EPSS 0.5% (40.7th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-59733 as of 2026-07-15; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-15

## What is CVE-2026-59733?

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.

The record classifies CVE-2026-59733 under weakness classes [CWE-22](https://intel.threadlinqs.com/cwe/CWE-22), [CWE-639](https://intel.threadlinqs.com/cwe/CWE-639). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction, and has high impact on confidentiality, integrity, availability. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 83 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 8.8 — HIGH (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **EPSS (FIRST):** 0.5% probability of exploitation in the next 30 days, higher than 40.7% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 6/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-14, last modified 2026-07-15

## Is CVE-2026-59733 being exploited?

It currently carries a trending score of 40 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **rclone**: rclone

## How to fix CVE-2026-59733

No vendor patch reference has been recorded for CVE-2026-59733 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-59733

No threat campaign in the Threadlinqs corpus currently references CVE-2026-59733, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, NVD, FIRST EPSS. Last verified by Threadlinqs on 2026-07-15. This product uses the NVD API but is not endorsed or certified by the NVD.

**Vendor advisory and patch**

- [github.com](https://github.com/rclone/rclone/security/advisories/GHSA-fqj9-69pf-6pjg)

**Other references**

- [github.com](https://github.com/rclone/rclone/commit/015fd0eba1cb138eef081517795fed47a2873f2d)
- [github.com (dade21c1616035b044df0eef7ee6a85aeb06a139)](https://github.com/rclone/rclone/commit/dade21c1616035b044df0eef7ee6a85aeb06a139)
- [github.com (v1.74)](https://github.com/rclone/rclone/releases/tag/v1.74.4)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-59733
Full detection coverage and IOCs for threats exploiting CVE-2026-59733 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp