iAI Lab PDF AI App 4.21.0 on Android chatpdf.pro getExternalCacheDir _display_name path traversal

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.0$0-$5k1.86-

Summaryinfo

A vulnerability described as critical has been identified in iAI Lab PDF AI App 4.21.0 on Android. The affected element is the function getExternalCacheDir of the component chatpdf.pro. Executing a manipulation of the argument _display_name can lead to path traversal. This vulnerability appears as CVE-2026-11411. The attack requires local access. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability has been found in iAI Lab PDF AI App 4.21.0 on Android and classified as critical. This vulnerability affects the function getExternalCacheDir of the component chatpdf.pro. The manipulation of the argument _display_name with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect integrity, and availability.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-11411. The exploitation appears to be easy. The attack needs to be approached locally. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1006.

It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-34966). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.0

VulDB Base Score: 4.4
VulDB Temp Score: 4.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Path traversal
CWE: CWE-22
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: No

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/05/2026 Advisory disclosed
06/05/2026 +0 days VulDB entry created
06/06/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2026-11411 (🔒)
GCVE (CVE): GCVE-0-2026-11411
GCVE (VulDB): GCVE-100-368968
EUVD: 🔒
scip Labs: https://www.scip.ch/en/?labs.20130704

Entryinfo

Created: 06/05/2026 20:42
Updated: 06/06/2026 16:49
Changes: 06/05/2026 20:42 (59), 06/06/2026 16:49 (1)
Complete: 🔍
Submitter: Actuator
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #818818: iAI Lab PDF AI: Podcast, Notes, Slides Version 4.21.0 (chatpdf.pro) Path Traversal (by Actuator)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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