CVE-2026-6282: Improper File Path in Lenovo Personal Cloud
Platform
linux
Component
lenovo-personal-cloud-storage
Fixed in
5.5.8.t20.1
CVE-2026-6282 describes an improper file path validation vulnerability discovered in Lenovo Personal Cloud Storage. This flaw allows a remote, authenticated user to potentially move or access files belonging to other users on the same device, leading to a breach of data confidentiality and integrity. The vulnerability impacts versions from 0.0.0 through 5.5.8.t20.1, and a patch is available in version 5.5.8.t20.1.
Impact and Attack Scenarios
The primary impact of CVE-2026-6282 is unauthorized access to sensitive user data stored on the Lenovo Personal Cloud Storage device. An attacker, having authenticated access, could exploit this vulnerability to browse, download, or even delete files belonging to other users. This could expose personal documents, photos, videos, or other confidential information. The blast radius is limited to users sharing the same device, but the potential for widespread data compromise within a household or small office environment is significant. While the vulnerability requires authentication, the ease of gaining initial access (depending on the device's security configuration) could make it an attractive target for malicious actors.
Exploitation Context
CVE-2026-6282 is currently not listed on KEV (Kernel Exploitability Vulnerability) or EPSS (Exploit Prediction Scoring System), suggesting a low to medium probability of active exploitation. Public proof-of-concept (POC) code is not currently available, which reduces the immediate risk. However, the vulnerability's potential for data compromise warrants prompt patching. The vulnerability was published on 2026-05-13, and it is recommended to monitor security advisories and threat intelligence feeds for any signs of exploitation.
Threat Intelligence
Exploit Status
CISA SSVC
CVSS Vector
What do these metrics mean?
- Attack Vector
- Network — remotely exploitable over the internet. No physical or local access required. Widest attack surface.
- Attack Complexity
- Low — no special conditions required. Attacker can exploit reliably without depending on rare configurations or timing.
- Privileges Required
- Low — any valid user account is sufficient. Basic authenticated access required.
- User Interaction
- None — attack is automatic and silent. Victim does nothing: no click, no file open.
- Scope
- Unchanged — impact is limited to the vulnerable component itself.
- Confidentiality
- High — complete confidentiality loss. Attacker can read all data: credentials, keys, personal data.
- Integrity
- High — attacker can write, modify, or delete any data: databases, config files, or code.
- Availability
- None — no availability impact. Service remains fully operational.
Affected Software
Weakness Classification (CWE)
Timeline
- Reserved
- Published
Mitigation and Workarounds
The primary mitigation for CVE-2026-6282 is to immediately upgrade Lenovo Personal Cloud Storage to version 5.5.8.t20.1 or later. If upgrading is not immediately feasible due to compatibility issues or system downtime concerns, consider implementing stricter access controls on the device. This includes enforcing strong passwords, enabling multi-factor authentication (if supported), and limiting user permissions to only those necessary for their tasks. While a direct workaround for improper file path validation is difficult, regularly reviewing user access rights and auditing file system activity can help detect and prevent unauthorized access. After upgrading, confirm the fix by attempting to access files belonging to another user account – access should be denied.
How to fix
Actualice su dispositivo Lenovo Personal Cloud Storage a la versión 5.5.6 o superior para mitigar la vulnerabilidad. Consulte la documentación de Lenovo o su sitio web de soporte para obtener instrucciones específicas sobre cómo actualizar el firmware de su dispositivo.
Frequently asked questions
What is CVE-2026-6282 — Improper File Path in Lenovo Personal Cloud?
CVE-2026-6282 is a HIGH severity vulnerability affecting Lenovo Personal Cloud Storage versions 0.0.0–5.5.8.t20.1. It allows a remote authenticated user to access files of other users due to improper file path validation.
Am I affected by CVE-2026-6282 in Lenovo Personal Cloud?
If you are using Lenovo Personal Cloud Storage version 0.0.0 through 5.5.8.t20.1, you are potentially affected by this vulnerability. Upgrade to the latest version (5.5.8.t20.1) to mitigate the risk.
How do I fix CVE-2026-6282 in Lenovo Personal Cloud?
The recommended fix is to upgrade Lenovo Personal Cloud Storage to version 5.5.8.t20.1 or later. If upgrading is not possible immediately, implement stricter access controls and regularly audit file system activity.
Is CVE-2026-6282 being actively exploited?
Currently, there is no public evidence of active exploitation of CVE-2026-6282. However, due to the potential for data compromise, prompt patching is still recommended.
Where can I find the official Lenovo advisory for CVE-2026-6282?
Please refer to the official Lenovo Security Updates website for the advisory related to CVE-2026-6282. Check Lenovo's support site for the latest information and download links.
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