AI Summary

JetBrains has issued a warning about a critical authentication bypass flaw in TeamCity On‑Premises. The vulnerability, identified as CVE‑2026‑63077, allows an attacker who can reach the server over HTTPS to exploit the agent polling protocol. By doing so, the attacker can bypass authentication and run arbitrary operating‑system commands with the same privileges as the TeamCity server process. The flaw enables remote code execution on the affected server. JetBrains recommends applying the available patch to mitigate the risk.

AI summaries can be wrong sometimes—always verify important details using the source article.