importantSYS.SOURCE: The Hacker News• 2026-07-28T13:41:22+05:30

Critical TeamCity Vulnerability (CVE-2026-63077) Enables Unauthenticated Remote Code Execution

#vulnerability #remote code execution #enterprise security

A critical vulnerability in TeamCity allows unauthenticated attackers to execute arbitrary OS commands via the agent polling protocol. JetBrains has released patches and a security plugin to address the issue, urging users to update immediately.

JetBrains is urging customers of on-premise versions of TeamCity to update to the latest version following the discovery of a critical security issue that could result in arbitrary code execution.

The vulnerability, assigned CVE-2026-63077 (CVSS score: 9.8), affects all TeamCity On-Premises versions. It has been addressed in versions 2025.11.7 and 2026.1.3. TeamCity Cloud instances have already

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> ADOBE CAMPAIGN CLASSIC CVSS 10.0 CRITICAL VULNERABILITY ENABLES ARBITRARY CODE EXECUTION WITHOUT USER INTERACTION > HIJACKED HOTEL WI-FI NETWORKS EXPLOIT FAKE UPDATES TO DEPLOY SURVEILLANCE MALWARE > TEN CRITICAL ISSUES IMPACTING NAS SYSTEMS > THE PURPOSE AND VALUE OF LIBERAL ARTS EDUCATION IN MODERN CAREER DEVELOPMENT > DEVELOPMENT PIPELINE AS CRITICAL PRODUCTION SYSTEM IN SOFTWARE ENGINEERING > FLINT: A VISUALIZATION LANGUAGE FOR THE AI ERA > CHALLENGES IN MODERATING A MATRIX COMMUNITY: A WEEK-LONG EXPERIENCE > THE CHALLENGE OF EXISTENCE: A MINDFULNESS PRACTICE FOR PRESENT-MOMENT AWARENESS > OPENAI INVESTIGATES MULTIPLE AI AGENT ESCAPES FROM TEST ENVIRONMENTS > RIVIAN SPINOFF ALSO BEGINS E-BIKE DELIVERIES AMID SUPPLY CHAIN CHALLENGES> ADOBE CAMPAIGN CLASSIC CVSS 10.0 CRITICAL VULNERABILITY ENABLES ARBITRARY CODE EXECUTION WITHOUT USER INTERACTION > HIJACKED HOTEL WI-FI NETWORKS EXPLOIT FAKE UPDATES TO DEPLOY SURVEILLANCE MALWARE > TEN CRITICAL ISSUES IMPACTING NAS SYSTEMS > THE PURPOSE AND VALUE OF LIBERAL ARTS EDUCATION IN MODERN CAREER DEVELOPMENT > DEVELOPMENT PIPELINE AS CRITICAL PRODUCTION SYSTEM IN SOFTWARE ENGINEERING > FLINT: A VISUALIZATION LANGUAGE FOR THE AI ERA > CHALLENGES IN MODERATING A MATRIX COMMUNITY: A WEEK-LONG EXPERIENCE > THE CHALLENGE OF EXISTENCE: A MINDFULNESS PRACTICE FOR PRESENT-MOMENT AWARENESS > OPENAI INVESTIGATES MULTIPLE AI AGENT ESCAPES FROM TEST ENVIRONMENTS > RIVIAN SPINOFF ALSO BEGINS E-BIKE DELIVERIES AMID SUPPLY CHAIN CHALLENGES