CVE-2026-89229: BlueLM Copilot path traversal in ShareActivity via crafted ACTION_SEND intent

Summary

CVE-2026-89229 is a path traversal flaw (CWE-22, Improper Limitation of a Pathname to a Restricted Directory) in the ShareActivity component of BlueLM Copilot (com.vivo.ai.copilot). A malicious application installed on the same device can send a crafted ACTION_SEND intent whose ContentProvider-supplied file name contains '..' sequences, allowing it to write arbitrary files.

Mitigation

The source does not state a fix yet. Check the original advisory for updates.

Topics

• Coding assistants

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