Tag
#teamcity
2 posts tagged #teamcity.
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Analysis · May 20, 2026 · Colten Anderson
The SolarWinds crew spent late 2023 breaking into build servers. That's not a coincidence.
CVE-2023-42793 is an unauthenticated RCE on JetBrains TeamCity. APT29, the Russian service behind SolarWinds, exploited it at scale, and so did North Korean groups. They weren't after one network. A build server is the supply chain.
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Analysis · May 5, 2026 · Colten Anderson
TeamCity's path traversal took two years to reach KEV. That's a long time to leave a CI server exposed.
CVE-2024-27199, a path traversal in JetBrains TeamCity On-Premises, was patched in March 2024 and exploited by BianLian ransomware within days. CISA added it to KEV in April 2026 with a May 4 federal deadline. If you're still below 2023.11.4, this is two years overdue.