In JetBrains IntelliJ IDEA before 2026.3,
2026.2.4 xXE attack was possible via an XML response to an HTTP Client request
Advisories

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Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Fri, 06 Nov 2026 12:00:00 +0000

Type Values Removed Values Added
Title XML External Entity Deserialization Vulnerability in IntelliJ IDEA HTTP Client
First Time appeared Jetbrains
Jetbrains intellij Idea
Vendors & Products Jetbrains
Jetbrains intellij Idea

Fri, 06 Nov 2026 10:30:00 +0000

Type Values Removed Values Added
Description In JetBrains IntelliJ IDEA before 2026.3, 2026.2.4 xXE attack was possible via an XML response to an HTTP Client request
Weaknesses CWE-611
References
Metrics cvssV3_1

{'score': 3.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T10:28:03.252Z

Reserved: 2026-11-05T18:38:25.185Z

Link: CVE-2026-123314

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T11:17:10.720

Modified: 2026-11-06T11:17:10.720

Link: CVE-2026-123314

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T11:45:03Z

Weaknesses