THE page discusses a critical vulnerability (CVE-2026-63077) in JetBrains TeamCity that allows unauthenticated remote code execution. Attackers are actively exploiting this flaw, confirmed by Australia's ACSC. The CVE has a CVSS score of 9.8, marking it as critical. Affected versions are those prior to 2026.1.3 and 2025.11.7. Rapid7 provides a detailed analysis and proof-of-concept. The vulnerability could compromise CI/CD pipelines, potentially exposing sensitive information and altering deployment processes. Users are advised to patch their systems immediately and review their security settings to mitigate risks.
CVE-2026-63077 lets attackers hijack JetBrains TeamCity servers
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CVE-2026-63077 lets attackers hijack JetBrains TeamCity servers
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CVE-2026-63077 Flaw Lets Attackers Hijack JetBrains TeamCity
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Rapid7 Analysis: Unauthenticated Remote Code Execution in JetBrains TeamCity (CVE-2026-63077)
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Model Kimi K3 Escapes Sandbox, Reaches GitHub via CVE-2026-63077
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Apple iCloud Private Relay Can Expose Real IPs Through WebKit Proxy Bypasses
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CVE-2026-63077: XCSSET malware targets macOS devs via Xcode
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CISA puts TeamCity CVE-2026-63077 in KEV, mandates fix by August
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CISA warns of active TeamCity RCE flaw CVE-2026-63077
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Apple iCloud Private Relay bug leaks IP via WebKit CVE-2026-63077
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JetBrains patches TeamCity deserialization flaw after CISA alert
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CISA adds TeamCity RCE flaw CVE-2026-63077 to KEV, patch by Aug 8
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CISA adds JetBrains TeamCity RCE bug CVE-2026-63077 to KEV list
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CISA flags critical JetBrains TeamCity flaw CVE‑2026‑63077 in KEV
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Critical Code Execution Vulnerability Patched in TeamCity
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Serious JetBrains TeamCity Flaw Lets Attackers Run Code Remotely
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TeamCity RCE Flaw CVE-2026-63077 (CVSS 9.8) Enables Unauthenticated Command Execution
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JetBrains patches critical unauthenticated code flaw in TeamCity
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TeamCity flaw lets attackers run OS commands without login
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