CVE-2026-123857 · Other
NO FIX YET · SEE WHAT TO DO
In JetBrains PhpStorm before 2026.3, opening an untrusted project could trigger XML External Entity processing through PHPMD ruleset autodetection. An attacker who supplies a malicious project may be able to read local files or reach internal resources.
first public Nov 6, 2026 · 1 source
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Developers who open untrusted or third-party PHP projects in PhpStorm before 2026.3 with PHPMD ruleset autodetection in play. Teams that only open trusted, internal projects have much lower exposure. The sources do not say more about the exact trigger conditions.
Not affected if phpstorm-2026.3-or-later, trusted-projects-only
Who cares jetbrains, php, phpstorm
2026.32026.3 or laterIn JetBrains PhpStorm before 2026.3 xXE was possible in untrusted projects via PHPMD ruleset autodetection
This page as .md · .json · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
NVD data is provided by NIST and is public domain. Posts quoted belong to their authors.
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