---
id: CVE-2026-89229
title: "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\_vi…"
summary: "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\_vi…"
severity: medium
cvss: 5.1
cvssVector: 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'
cvssSource: cna
cwe:
  - CWE-22
vendor: vivo
product: BlueLM Copilot
affected:
  - bluelm_copilot < 7.2.0.0
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-11-03T18:19:10.734514Z'
published: '2026-11-03'
updated: '2026-11-03'
sourceUpdated: '2026-11-03T18:19:20.372Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-89229'
references:
  - url: 'https://www.vivo.com/en/support/security-advisory-detail?id=26'
tags:
  - cve.org
epss: 0.00189
epssPercentile: 0.08579
ingestedAt: '2026-11-05T20:33:06.343Z'
---

## Overview

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.

## Affected

- `bluelm_copilot < 7.2.0.0`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.