CVE-2026-75054
Received Received - Intake

JetBrains IntelliJ IDEA SSRF in OpenAPI Preview

Publication date: 2026-08-17

Last updated on: 2026-08-17

Assigner: JetBrains s.r.o.

Description
In JetBrains IntelliJ IDEA before 2026.2.1 sSRF was possible via the OpenAPI preview proxy in untrusted projects

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Meta Information

Published
2026-08-17
Last Modified
2026-08-17
Generated
2026-08-17
AI Q&A
2026-08-17
EPSS Evaluated
N/A
NVD
CVE-2026-75054
EUVD
EUVD-2026-60253

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
jetbrains intellij_idea to 2026.2.1 (exc)

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Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This vulnerability is a Server-Side Request Forgery (SSRF) issue in JetBrains IntelliJ IDEA versions before 2026.2.1. It allows attackers to trick the application into making unauthorized requests to internal or external systems via the OpenAPI preview proxy feature when working with untrusted projects.

Detection Guidance

This vulnerability is specific to JetBrains IntelliJ IDEA versions before 2026.2.1 and involves a Server-Side Request Forgery (SSRF) via the OpenAPI preview proxy in untrusted projects. Detection requires checking the installed version of IntelliJ IDEA and verifying if the OpenAPI preview proxy feature is enabled in untrusted projects.

Impact Analysis

An attacker could exploit this to access internal network resources, retrieve sensitive data, or perform actions on behalf of the user. The impact includes potential data breaches, unauthorized access to services, or network reconnaissance.

Compliance Impact

This SSRF vulnerability could lead to unauthorized data exposure, violating GDPR's data protection principles or HIPAA's security requirements for protected health information. Organizations may face compliance penalties if exploited.

Mitigation Strategies

Update JetBrains IntelliJ IDEA to version 2026.2.1 or later to address the sSRF vulnerability in the OpenAPI preview proxy.

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