Insufficient Control Flow Management in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2026-5938

 

Insufficient Control Flow Management in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2026-5938

Published: April 27, 2026


Vulnerability identifier: #VU128001
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-5938
CWE-ID: CWE-691
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to improper control flow management in automatic directory imports when handling tasks related to automatic directory imports. A remote attacker can trick the victim into opening a crafted document action chain to cause a denial of service.

User interaction is required to open a crafted document.


Affected software

Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows

How to mitigate CVE-2026-5938

Install security update from vendor's website.

Foxit PDF Editor (formerly Foxit PhantomPDF) - addressed in versions 13.2.4.24048, 14.0.4.33508, 2026.1.1.36485
Foxit PDF Reader for Windows - update to 2026.1.1.36485

External References

Related Security Bulletins