iAI Lab PDF AI App chatpdf.pro getExternalCacheDir path traversal
CVE-2026-11411

4.8MEDIUM

Key Information:

Vendor

Iai Lab

Status
PDF Ai App
Vendor
CVE Published:
6 June 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-11411?

A security flaw has been discovered in iAI Lab PDF AI App 4.21.0 on Android. Impacted is the function getExternalCacheDir of the component chatpdf.pro. Performing a manipulation of the argument _display_name results in path traversal. The attack requires a local approach. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected Version(s)

PDF AI App 4.21.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-11411 - Proof of Concept

References

https://vuldb.com/vuln/368968
vdb-entrytechnical-description
https://vuldb.com/vuln/368968/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-11411
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Actuator (VulDB User)
VulDB CNA Team
.