XML External Entity injection in Foxit PDF Editor (formerly Foxit PhantomPDF) and Foxit PDF Reader for Windows - CVE-2026-57259
Published: July 8, 2026
Vulnerability identifier: #VU137078
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-57259
CWE-ID: CWE-611
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper restriction of XML external entity reference in XDP/XML parsing in Foxit PDF Reader and Foxit PDF Editor when parsing crafted XDP documents disguised as PDF files. A remote attacker can trick the victim into opening a crafted file to disclose sensitive information.
User interaction is required to open a crafted file.
Affected software
Foxit PDF Editor (formerly Foxit PhantomPDF)
Foxit PDF Reader for Windows
Foxit PDF Reader for Windows
How to mitigate CVE-2026-57259
Install security update from vendor's website.
Foxit PDF Editor (formerly Foxit PhantomPDF) - addressed in versions 13.2.5.24109, 14.0.5.33580, 2026.1.2.36540, 2026.1.2.70304
Foxit PDF Reader for Windows - update to 2026.1.2.36540
Foxit PDF Reader for Windows - update to 2026.1.2.36540