How to Fix CVE-2026-28194: TeamCity (Bundle Sibling)
By Sai Kiran Pandrala. Last verified: 2026-05-25.
CVE-2026-28194 is a sibling vulnerability in the same vendor advisory as CVE-2026-28193. Apply the same patched build and you close both. The technical detail below is what differs.
| Severity | 4.3 (Medium) |
|---|---|
| Actively exploited? | No public listing in CISA KEV |
| Affected | TeamCity 0 to <2025.11.3 |
| Fixed in | Same patched build as CVE-2026-28193 |
| Type (CWE) | CWE-601 |
What's different about CVE-2026-28194?
In JetBrains TeamCity before 2025.11.3 open redirect was possible in the React project creation flow
How to fix CVE-2026-28194
Apply the patched build per the primary write-up: How to Fix CVE-2026-28193. All commands, verification steps, and rollback notes for TeamCity are listed there.
Frequently asked questions
Does the CVE-2026-28193 patch close CVE-2026-28194?
Yes. Both CVEs are addressed by the same vendor patch. Applying the patched build closes the full bundle.
Is CVE-2026-28194 listed in CISA KEV?
No public KEV listing at the time of this writing.
Where is the official advisory?
See https://www.jetbrains.com/privacy-security/issues-fixed/
References
- Official vendor advisory: https://www.jetbrains.com/privacy-security/issues-fixed/
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-28194
- CISA KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog
- Primary: How to Fix CVE-2026-28193
*Written by Sai Kiran Pandrala. Part of the TeamCity bundle. Full procedure at how-to-fix-cve-2026-28193.*