Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

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

Quick assessment

Affected
rclone rclone
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Rclone是Rclone团队开源的一款同步文件到各类云存储服务的命令行工具。 Rclone 1.74.4之前版本存在安全漏洞，该漏洞源于在对后端对象的URL路径进行处理时未清理路径组件，导致已认证用户可在请求中包含..从而读取、覆盖或删除其他用户的私有仓库。

CVSS 8.8 · High EPSS 0.55% · P44

Possible ATT&CK Techniques 1 AI

T1530 · Data from Cloud Storage

Affected Version Matrix 1

VendorProduct Version RangeStatus
rclone rclone < 1.74.4 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-59733

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
rclone `serve restic --private-repos` authorization bypass: `..` in the URL path lets an authenticated user read, overwrite and delete other users' repositories
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
对路径名的限制不恰当(路径遍历)
Source: CVE Program / CVE List V5
Vulnerability Title
Rclone 路径遍历漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Rclone是Rclone团队开源的一款同步文件到各类云存储服务的命令行工具。 Rclone 1.74.4之前版本存在安全漏洞，该漏洞源于在对后端对象的URL路径进行处理时未清理路径组件，导致已认证用户可在请求中包含..从而读取、覆盖或删除其他用户的私有仓库。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
rclone rclone < 1.74.4 -

II. Public POCs for CVE-2026-59733

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 5966 chars
Pro+ exclusive includes:
Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
In-depth vulnerability mechanism
Trigger conditions & impact
Full executable POC code
Exploit chain & mitigation
POC zip download
100+ AI POC generations per month

III. Intelligence Information for CVE-2026-59733

请登录查看更多情报信息。

Patches & Fixes for CVE-2026-59733 (2)

Vendor Advisories for CVE-2026-59733 (1)

Vendor Pages for CVE-2026-59733 (1)

Same Patch Batch · rclone · 2026-07-14 · 3 CVEs total

CVE-2026-54572 7.5 HIGH rclone: Unvalidated symlink target in local `--links` — arbitrary file write from an untru
CVE-2026-59732 5.0 MEDIUM rclone archive extract allows S3 destination prefix escape via crafted archive paths

IV. Related Vulnerabilities

Same product: rclone
Same vendor: rclone
Same weakness: CWE-22

V. Comments for CVE-2026-59733

No comments yet

Leave a comment