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#1 The Hacker News general August 06, 2026 at 06:51 UTC

CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild

By [email protected] (The Hacker News)

AI Summary

CISA has added CVE-2026-63077, a critical (CVSS 9.8) deserialization-of-untrusted-data flaw in JetBrains TeamCity on-premise servers, to its Known Exploited Vulnerabilities catalog following confirmed active exploitation. The unauthenticated RCE vulnerability allows attackers with network access to a TeamCity server to execute arbitrary code without credentials, making unpatched CI/CD infrastructure an immediate high-priority target for security teams.

Read full article → https://thehackernews.com/2026/08/cisa-flags-teamc…

Relevance score: 92.0/100

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