A newly patched security flaw impacting on-premise versions of JetBrains TeamCity has come under active exploitation in the wild, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA).

The vulnerability in question is CVE-2026-63077 (CVSS score: 9.8), a case of deserialization of untrusted data that could allow an unauthenticated attacker with access to a TeamCity server



Source: TheHackerNews
Source Link: https://thehackernews.com/2026/08/cisa-flags-teamcity-cve-2026-63077-rce.html