Is there a public exploit for CVE-2026-123335?

No public exploit for CVE-2026-123335 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-2026-123335?

CVE-2026-123335 scores CVSS 3.5 (v3.1), rated low.

What does CVE-2026-123335 affect?

CVE-2026-123335 affects JetBrains YouTrack.

3.5 Low

In JetBrains YouTrack before 2026.2.19562, 2026.1.14137, 2025.3.169041 missing authorization allowed attaching tags to any issue via the…

CVE-2026-123335

In JetBrains YouTrack before 2026.2.19562, 2026.1.14137, 2025.3.169041 missing authorization allowed attaching tags to any issue via the tag issues collection

Assessment

CVSS: 3.5 (v3.1)
Severity: Low
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 · YouTrack
Assigner: JetBrains

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

At the source

EUVD (ENISA)

References

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

Community proofs of concept

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