Server-Side Request Forgery Vulnerability in JetBrains IntelliJ IDEA
CVE-2026-123312

3.3LOW

Key Information:

Vendor

Jetbrains
Status
Intellij Idea
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123312?

A server-side request forgery (sSRF) vulnerability exists in JetBrains IntelliJ IDEA prior to version 2026.3 and in 2026.2.4. This security flaw allows attackers to exploit misconfigured annotations.xml files during the indexing process, enabling unauthorized HTTP requests to internal systems. This can lead to sensitive data exposure or further compromise of the environment. Users are encouraged to update to the latest versions promptly to mitigate this risk.

Affected Version(s)

IntelliJ IDEA 0 < 2026.3, 2026.2.4

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

.