Description
In JetBrains TeamCity before 2026.1.2 stored XSS via unauthenticated agent registration was possible
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| JetBrains | TeamCity | < 2026.1.2 | 2026.1.2 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
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JoakimBulow/CVE-2026-59795 ★ 0 · Sep 28, 2026
CVE-2026-59795 - TeamCity - XSS
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2026-2288 JetBrains TeamCity: Mehrere Schwachstellen BSI CERT-Bund (WID) · Jul 12, 2026