CVE-2026-89229 Details
Description
Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') in the ShareActivity component of BlueLM Copilot (com.vivo.ai.copilot) allows a malicious application installed on the same device to write arbitrary files via a crafted ACTION_SEND intent with a ContentProvider-supplied file name containing '..' sequences.
A path traversal vulnerability has been identified in the ShareActivity component of BlueLM Copilot (com.vivo.ai.copilot) versions prior to 7.2.0.0. This vulnerability allows a malicious application installed on the same device to write arbitrary files. The exploitation is achieved by sending an ACTION_SEND intent with a file name provided by a ContentProvider that includes '..' sequences, enabling the malicious app to traverse directories and write files to unintended locations.
Users can update to BlueLM Copilot version 7.2.0.0 or later. The latest version can be obtained through the in-app update feature.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Nov 3, 2026CISA-ADP
Assessed Nov 3, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.vivo.com/en/support/security-advisory-detail?id=26 | [email protected] | AdvisoryRemedyVendor |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-22 | Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| vivo BlueLM Copilot | < 7.2.0.0 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Nov 3, 2026 | CVE Modified | CISA-ADP |
| Nov 3, 2026 | New CVE Received | [email protected] |