CVE-2026-22070

File path traversal via unauthenticated start-download channel

Published Apr 30, 2026 · Updated Apr 30, 2026

Relative path traversal in OPPO ColorOS Assistant allows attackers to traverse file paths through its unauthenticated start-download channel. The published record identifies the start-download channel but does not disclose the function or path-validation operation that mishandles relative path segments. Exploitation requires local access and user interaction without prior privileges, but OPPO has not disclosed which files can be reached or what operational failure results.

CVSS severity7.1
High
EPSS probability0.21%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Relative path traversal in OPPO ColorOS Assistant allows attackers to traverse file paths through its unauthenticated start-download channel. The published record identifies the start-download channel but does not disclose the function or path-validation operation that mishandles relative path segments. Exploitation requires local access and user interaction without prior privileges, but OPPO has not disclosed which files can be reached or what operational failure results.

The record

CVE
CVE-2026-22070
Published
Apr 30, 2026
Updated
Apr 30, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-23, CWE-22, CAPEC-233
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Apr 30, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 30, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8National Vulnerability DatabaseCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.1OPPO Mobile Telecommunication Corp., Ltd.CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:N/I:L/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-23Relative Path Traversal
CWE-22Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
CAPEC-233Privilege Escalation

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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