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Description

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.

PUBLISHED Reserved 2026-06-05 | Published 2026-06-06 | Updated 2026-06-06 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
MEDIUM: 4.4CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
MEDIUM: 4.4CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L/E:P/RL:X/RC:R
3.2AV:L/AC:L/Au:S/C:N/I:P/A:P/E:POC/RL:ND/RC:UR

Problem types

Path Traversal

Product status

4.21.0
affected

Timeline

2026-06-05:Advisory disclosed
2026-06-05:VulDB entry created
2026-06-05:VulDB entry last update

Credits

Actuator (VulDB User) reporter

VulDB CNA Team coordinator

References

vuldb.com/vuln/368968 (VDB-368968 | iAI Lab PDF AI App chatpdf.pro getExternalCacheDir path traversal) vdb-entry technical-description

vuldb.com/vuln/368968/cti (VDB-368968 | CTI Indicators (IOB, IOC, TTP, IOA)) signature permissions-required

vuldb.com/cve/CVE-2026-11411 (CVE-2026-11411 | CVE Analysis and Report) third-party-advisory

vuldb.com/submit/818818 (Submit #818818 | iAI Lab PDF AI: Podcast, Notes, Slides Version 4.21.0 (chatpdf.pro) Path Traversal) third-party-advisory

github.com/actuator/chatpdf.pro exploit

cve.org (CVE-2026-11411)

nvd.nist.gov (CVE-2026-11411)

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