In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
JetBrains IntelliJ IDEA unaffected
Version Status Constraints
0 affected < 2026.3

No data.

No data.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://www.jetbrains.com/privacy-security/issues-fixed/ cve-icon cve-icon
History

Fri, 06 Nov 2026 18:30:00 +0000

Type Values Removed Values Added
Title Arbitrary File Write via Symlink during Plugin Extraction in JetBrains IntelliJ IDEA

Fri, 06 Nov 2026 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Jetbrains
Jetbrains intellij Idea
Vendors & Products Jetbrains
Jetbrains intellij Idea

Fri, 06 Nov 2026 16:30:00 +0000

Type Values Removed Values Added
Description In JetBrains IntelliJ IDEA before 2026.3 arbitrary file write was possible via symlinks when extracting plugin archives
Weaknesses CWE-59
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: JetBrains

Published:

Updated: 2026-11-06T16:48:52.483Z

Reserved: 2026-11-06T16:05:44.020Z

Link: CVE-2026-123842

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T17:17:22.833

Modified: 2026-11-06T17:17:22.833

Link: CVE-2026-123842

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T18:15:07Z

Weaknesses