SSRF Vulnerability in JetBrains IntelliJ IDEA Software
CVE-2026-86503

3.3LOW

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
7 September 2026

What is CVE-2026-86503?

A vulnerability exists in JetBrains IntelliJ IDEA prior to version 2026.2.2, where opening an untrusted project can lead to a Server-Side Request Forgery (SSRF) attack. This occurs through the manipulation of the Kubernetes spec-source URL fetching mechanism, potentially exposing sensitive data or allowing unauthorized access to internal services.

Affected Version(s)

IntelliJ IDEA 0 < 2026.2.2

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

.