Is there a public exploit for CVE-2026-123298?

No public exploit for CVE-2026-123298 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-123298?

CVE-2026-123298 scores CVSS 5 (v3.1), rated medium.

What does CVE-2026-123298 affect?

CVE-2026-123298 affects JetBrains Hub.

5.0 Medium

In JetBrains Hub before 2026.2.52556 sMTP command injection via email verification was possible

CVE-2026-123298

Assessment

CVSS: 5 (v3.1)
Severity: Medium
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 6 November 2026
Last updated: 6 November 2026
Affected: JetBrains · Hub
Assigner: JetBrains

CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:L/A:N

At the source

EUVD (ENISA)

References

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

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