CVE-2026-123857: XEE

Published Nov 6, 2026

Updated

In JetBrains PhpStorm before 2026.3 xXE was possible in untrusted projects via PHPMD ruleset autodetection

Event History

Nov 6, 2026

CVE Published

via MITRE·04:10 PM

Data Sourced

via MITRE·04:10 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·05:17 PM

DescriptionSeverityWeakness

Frequently Asked Questions

What version should be used to address this issue?

Upgrade PhpStorm to version 2026.3 or later. Versions before 2026.3 are affected.

What conditions are required for exploitation?

The issue is associated with opening an untrusted project and PHPMD ruleset autodetection in affected PhpStorm versions.

Company

Resources

Contact

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Fortitude Valley,
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