Path Traversal Vulnerability in JetBrains IntelliJ IDEA
CVE-2026-123845

3.3LOW

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123845?

A path traversal vulnerability exists in JetBrains IntelliJ IDEA prior to version 2026.3, allowing exploitation through JSON Schema references in untrusted projects. This flaw could enable an attacker to traverse the file system and access sensitive files outside of the intended directories, significantly jeopardizing the integrity of user data and application security.

Affected Version(s)

IntelliJ IDEA 0 < 2026.3

References

https://www.jetbrains.com/privacy-security/issues-fixed/

CVSS V3.1

Score:
3.3
Severity:
LOW
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.