CVE-2026-84852
Received Received - Intake

Path Traversal in Reader Tools PDF Reader App

Publication date: 2026-09-02

Last updated on: 2026-09-02

Assigner: VulDB

Description
A security vulnerability has been detected in Reader Tools PDF Reader App 98.8 on Android. The affected element is the function ActSplashNew.handleDeeplink of the component File Handler. The manipulation of the argument _display_name leads to path traversal. An attack has to be approached locally. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

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Meta Information

Published
2026-09-02
Last Modified
2026-09-02
Generated
2026-09-03
AI Q&A
2026-09-02
EPSS Evaluated
N/A
NVD
CVE-2026-84852
EUVD
EUVD-2026-70259

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
reader_tools pdf_reader_app 98.8

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-22 The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.

Attack-Flow Graph

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Executive Summary

This vulnerability is a path traversal issue in Reader Tools PDF Reader App 98.8 on Android. It exists in the function ActSplashNew.handleDeeplink within the File Handler component. The flaw allows manipulation of the _display_name argument to access unauthorized file paths. The attack requires local access to the device.

Detection Guidance

Since this vulnerability involves a path traversal in Reader Tools PDF Reader App 98.8 on Android via the ActSplashNew.handleDeeplink function, detection would require checking for unusual file access patterns or deep link handling in the app. No specific commands are provided in the context.

Impact Analysis

An attacker with local access could exploit this to read sensitive files outside the app's intended directory. This may lead to unauthorized data exposure or manipulation of files accessible by the app.

Compliance Impact

This vulnerability could lead to unauthorized data access, potentially violating GDPR (data protection) or HIPAA (health information privacy) if sensitive data is exposed. Compliance may be impacted if the app handles regulated data.

Mitigation Strategies

Immediate mitigation steps include uninstalling or disabling Reader Tools PDF Reader App 98.8 on Android systems. Since the vendor did not respond, consider using alternative PDF reader applications until a patch is available.

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