On September 24, 2026, the U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies that ransomware gangs are actively exploiting a critical JetBrains TeamCity vulnerability that was patched in July 2026.
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The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies on Wednesday that ransomware gangs are now also exploiting a critical JetBrains TeamCity vulnerability patched in July. [...]
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🤖 CISA: ransomware gangs now exploiting CVE-2026-63077, a critical JetBrains TeamCity auth-bypass flaw patched in July. Active exploitation confirmed, added to CISA KEV. Admins urged to patch immediately. 🔗 https://www. bleepingcomputer.com/news/secu rity/cisa-ransomware-gangs-now-exploiting-critical-teamcity-flaw/ # CVE # Ransomware # CyberSec
CVE-2026-63077 (CRITICAL): JetBrains TeamCity auth bypass lets unauthenticated attackers run OS commands. Ransomware gangs are actively exploiting this flaw. Patch to 2025.11.7/2026.1.3 or restrict access ASAP. Details: https:// radar.offseq.com/threat/cisa-r ansomware-gangs-now-exploiting-critical-teamcity-flaw-07e6c455abf6548b # OffSeq # TeamCity # CVE202663077 # Infosec
🏆 New Achievement! Build Server, Burned Server! Your inventory has been updated. Equipped: Critical TeamCity Vulnerability (unpatched). Passive effect: ransomware gangs now actively rooting through your CI/CD pipeline like raccoons in a dumpster. CISA formally warned federal agencies that threat actors are exploiting a critical JetBrains TeamCity flaw patched back in July — meaning you had months
CISA: Ransomware Gangs Now Exploiting Critical TeamCity Flaw https:// packetstorm.news/news/view/440 10 # news