CVE-2026-123857
PhpStorm: In JetBrains PhpStorm before 2026.3 xXE was possible in untrusted projects via PHPMD ruleset autodetection
CVE-2026-123857 is fixed in PhpStorm on 1 platform by PhpStorm 2026.3 (version 2026.3), released November 5, 2026. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
4.3
No vendor severity
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0026
17th percentile
In JetBrains PhpStorm before 2026.3 xXE was possible in untrusted projects via PHPMD ruleset autodetection
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Windows apps | |||
| PhpStorm | 2026.3 | PhpStorm 2026.3 | Nov 5, 2026 |
| No fix yet | |||
| PhpStorm (EAP) (Windows apps) | No fix yet | no-fix | n/a |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.