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Attackers Breached JetBrains Cadence via Unpatched TeamCity, Extracting AWS Cred

BACKGROUND
1 SIGNALFIRST DETECTED 5 September 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
Other feeds and industry voices
28 Jul
Critical TeamCity Flaw Could Let Attackers Run OS Commands Without Logging In

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

REPORT · WHAT · The Hacker NewsOPEN STORY
30 Jul
JetBrains warns of critical TeamCity remote code execution flaw

JetBrains is warning of a critical authentication bypass vulnerability affecting TeamCity On-Premises that could be exploited to achieve remote code execution. [...]

REPORT · WHAT · BleepingComputerOPEN STORY
6 Aug
CISA Flags TeamCity CVE-2026-63077 RCE Flaw Under Active Exploitation in the Wild

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

REPORT · WHAT · The Hacker NewsOPEN STORY
Sources
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