SMTP Command Injection in JetBrains Hub by JetBrains
CVE-2026-123298

5MEDIUM

Key Information:

Vendor

Jetbrains
Status
Hub
Vendor
CVE Published:
6 November 2026

What is CVE-2026-123298?

A command injection vulnerability exists in JetBrains Hub that allows attackers to exploit the email verification process through SMTP commands. This flaw can lead to unauthorized actions being executed on the system, emphasizing the need for users to update to the latest version to mitigate potential risks.

Affected Version(s)

Hub 0 < 2026.2.52556

References

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

CVSS V3.1

Score:
5
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.