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[NEW] [high] JetBrains TeamCity: Vulnerability allows code execution

highpublic exploitCVE-2026-63077
A remote, anonymous attacker can exploit a vulnerability in JetBrains TeamCity to execute arbitrary program code.

CSIRTS triage

vendor: JetBrainsproduct: TeamCityRemote code execution
What
A vulnerability in JetBrains TeamCity allows a remote, anonymous attacker to execute arbitrary program code.
Who is affected
Users of JetBrains TeamCity are affected by this vulnerability.
Urgency
Remediation is urgent due to the high severity and potential for exploitation.
Action
Update to the latest version of TeamCity to address this vulnerability.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
high
Published
2026-07-28
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2534

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-63077coverage & exploitation statusNVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

Recent advisories for JetBrains TeamCity

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

More from CERT-Bund (BSI) Security Advisories