ColorOS Assistant CVE-2026-22070: Unauthenticated Path Traversal Risk
The National Vulnerability Database has detailed CVE-2026-22070, a critical vulnerability in ColorOS Assistant. This flaw presents an unauthenticated start-download channel, creating an avenue for file path traversal. Attackers can exploit this without needing prior authentication, making it a significant risk.
The CVSS score for CVE-2026-22070 is rated at 7.1 (HIGH), with a vector of CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H. This indicates a local attack vector, low attack complexity, no required privileges, and user interaction required. The impact is low on integrity and high on availability, with no confidentiality impact. The core issue is CWE-23, a classic path traversal vulnerability.
While specific affected products beyond ‘ColorOS Assistant’ aren’t detailed by the National Vulnerability Database, this type of flaw allows an attacker to manipulate file paths to access or overwrite files outside of the intended directory. For defenders, the key takeaway is the potential for system compromise through unauthorized file operations, impacting system stability and data integrity. This is a real threat that needs immediate attention from organizations utilizing ColorOS devices.
What This Means For You
- If your organization deploys devices running ColorOS, you need to assess your exposure to CVE-2026-22070. This unauthenticated path traversal can lead to serious availability impacts. Identify all ColorOS Assistant instances and prepare for patches. Attackers will leverage unauthenticated flaws like this for initial access or to escalate privileges.
Related ATT&CK Techniques
🛡️ Detection Rules
3 rules · 6 SIEM formats3 detection rules auto-generated for this incident, mapped to MITRE ATT&CK. Sigma YAML is free — export to any SIEM format via the Intel Bot.
ColorOS Assistant Unauthenticated Path Traversal - Free Tier
title: ColorOS Assistant Unauthenticated Path Traversal - Free Tier
id: scw-2026-04-30-ai-1
status: experimental
level: high
description: |
Detects the execution of ColorOS Assistant with a command line argument indicative of an attempt to exploit the CVE-2026-22070 vulnerability. The presence of '/download?path=' combined with '../' in the command line suggests an unauthenticated path traversal attempt to access files outside the intended directory.
author: SCW Feed Engine (AI-generated)
date: 2026-04-30
references:
- https://shimiscyberworld.com/posts/nvd-CVE-2026-22070/
tags:
- attack.initial_access
- attack.t1190
logsource:
category: process_creation
detection:
selection:
Image|contains:
- 'ColorOSAssistant.exe'
CommandLine|contains:
- '/download?path='
- '../'
condition: selection
falsepositives:
- Legitimate administrative activity
Source: Shimi's Cyber World · License & reuse
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-22070 | Path Traversal | ColorOS Assistant |
| CVE-2026-22070 | Auth Bypass | unauthenticated start-download channel |
Written by SCW Vulnerability Desk
Source & Attribution
| Source Platform | NVD |
| Channel | National Vulnerability Database |
| Published | April 30, 2026 at 12:16 UTC |
This content was AI-rewritten and enriched by Shimi's Cyber World based on the original source. All intellectual property rights remain with the original author.
Believe this infringes your rights? Submit a takedown request.
Related coverage
CVE-2026-42799: ASR Kestrel Out-of-Bounds Read Flaw Exposes Systems
CVE-2026-42799 — Out-of-bounds read vulnerability in ASR Kestrel (nr_fw modules) allows Overflow Buffers. This vulnerability is associated with program files Code/Nr/nr_fw/RA/src/NrPwrCtrl.C. This issue affects Kestrel:...
CVE-2026-6521 — Denial of Service
CVE-2026-6521 — OpenFlow v5 protocol dissector infinite loops in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
CVE-2026-6520 — Denial of Service
CVE-2026-6520 — OpenFlow v6 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service