CVE-2026-32684: Information Disclosure Vulnerability

CVE-2026-32684 Overview

CVE-2026-32684 is a low-severity information disclosure vulnerability affecting a Hikvision application. The application does not impose strict enough restrictions on directory access permissions. Malicious applications co-located on the same device can read directory contents intended to be private. The flaw requires local access and high attack complexity to exploit successfully. No authentication or user interaction is required, but the impact is limited to confidentiality of low-sensitivity data.

Critical Impact

A co-resident malicious application may read directory contents from the affected Hikvision application, exposing limited sensitive information stored on the local device.

Affected Products

• Hikvision application (specific product and version not enumerated in the advisory)
• See the vendor advisory for the authoritative list of impacted builds
• No CPE entries have been published in the NVD record

Discovery Timeline

• 2026-05-12 - CVE-2026-32684 published to NVD
• 2026-05-13 - Last updated in NVD database

Technical Details for CVE-2026-32684

Vulnerability Analysis

The vulnerability is an Information Disclosure issue rooted in overly permissive directory access permissions. The affected Hikvision application stores data in a location whose access controls do not adequately separate it from other applications on the same device. Another application running locally can enumerate or read files in that directory without holding privileges intended for the owning application.

The attack is local and non-network. An adversary must already have code execution on the device, typically through a separate malicious application installed by the user or another compromise. The high attack complexity reflects conditions that must be present, such as predictable paths or specific runtime states, before the disclosure can be triggered. The impact is bounded to confidentiality, with no integrity or availability consequences described in the advisory.

Root Cause

The root cause is improper access control on a directory owned by the application. File system or platform-level permission flags do not enforce isolation between the application and other untrusted local processes. Configuration & Design Flaw category, specifically Insecure Permissions, fits this behavior.

Attack Vector

A malicious application installed on the same device reads the unprotected directory. Because no user interaction or authentication is required, the disclosure can occur silently in the background once the malicious app is present. Refer to the Hikvision Document Reference for vendor-supplied technical context.

Detection Methods for CVE-2026-32684

Indicators of Compromise

• Unexpected processes reading from directories owned by the Hikvision application package
• Newly installed local applications requesting broad file system or storage access shortly before suspicious reads
• Access timestamps on application data directories that do not correspond to legitimate application activity

Detection Strategies

• Monitor file access telemetry for cross-application reads targeting the Hikvision application's data directory
• Baseline normal access patterns to the affected directory and alert on deviations from the owning process
• Correlate installations of unverified third-party applications with subsequent file read activity in vendor application paths

Monitoring Recommendations

• Enable file system auditing for the Hikvision application's data directories where the platform supports it
• Review installed application inventories regularly and remove unknown or unsigned packages
• Track local privilege and storage permission grants given to applications on managed devices

How to Mitigate CVE-2026-32684

Immediate Actions Required

• Apply the fixed version of the Hikvision application once the vendor publishes it through the Hikvision Document Reference
• Restrict installation of untrusted applications on devices running the affected Hikvision software
• Audit existing applications on those devices for unnecessary local file system access

Patch Information

Consult the Hikvision security documentation for the patched build and upgrade procedure. The NVD record does not yet enumerate a specific fixed version, so monitor the vendor advisory for updates. Apply the patch to all devices hosting the affected application.

Workarounds

• Tighten directory permissions on the affected application data path where the platform permits manual hardening
• Remove or isolate non-essential applications on devices running the vulnerable Hikvision software to reduce co-residency risk
• Use mobile device management or endpoint policy to block installation of unauthorized applications

# Configuration example
# Review and restrict access to the application data directory (illustrative)
ls -ld /path/to/hikvision/app/data
chmod 700 /path/to/hikvision/app/data
chown <app-owner>:<app-group> /path/to/hikvision/app/data