CVE-2026-123858
Received Received - Intake

Automatic Project File Upload in JetBrains PhpStorm

Publication date: 2026-11-06

Last updated on: 2026-11-06

Assigner: JetBrains s.r.o.

Description
In JetBrains PhpStorm before 2026.3 project files could be automatically uploaded to a deployment server from untrusted projects

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Meta Information

Published
2026-11-06
Last Modified
2026-11-06
Generated
2026-11-06
AI Q&A
2026-11-06
EPSS Evaluated
N/A
NVD
CVE-2026-123858
EUVD
EUVD-2026-118318

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
JetBrains PhpStorm From 0 (inc) to 2026.3 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-829 The product imports, requires, or includes executable functionality (such as a library) from a source that is outside of the intended control sphere.

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Executive Summary

In JetBrains PhpStorm before version 2026.3, project files could be automatically uploaded to a deployment server from untrusted projects. This vulnerability allows files to be transferred without explicit user confirmation, potentially exposing sensitive data.

Impact Analysis

This vulnerability could lead to unauthorized file uploads to a deployment server, risking data leakage or exposure of sensitive project files. Attackers might exploit this to access or manipulate files without permission.

Compliance Impact

This vulnerability may violate compliance requirements like GDPR or HIPAA by enabling unauthorized data transfers. It could result in data breaches, leading to legal penalties or loss of trust due to improper handling of sensitive information.

Mitigation Strategies

Update JetBrains PhpStorm to version 2026.3 or later to address the automatic upload issue from untrusted projects.

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