Critical JetBrains Vulnerabilities Enable Authentication Bypass and Code Execution Attacks

Cybersecuritynews •Abinaya • July 2, 2026

JetBrains has released security updates for a cluster of critical vulnerabilities that enable authentication bypass, account takeover, and remote code execution (RCE) across its on‑premise ecosystem, including Hub, YouTrack, IntelliJ‑based IDEs, Kotlin, GoLand, and TeamCity. These flaws put development and CI/CD environments at direct risk of compromise if organizations delay patching. The most severe issues […]

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This article is one source in a clustered incident — the cluster page carries the summary, timeline and every other outlet covering it.

JetBrains Patches Critical Authentication Bypass and Account Takeover Vulnerabilities JetBrains has issued patches for critical vulnerabilities in JetBrains Hub that could lead to full authentication bypass, account takeover, and privilege escalation. The vulnerabilities, tracked as CVE-2026-56141, CVE-2026-56142, and CVE-2026-50242, affect multiple JetBrains services, including YouTrack and TeamCity. CVE-2026-56141 allows attackers to predict restore codes for account recovery, while CVE-2026-56142 enables privilege escalation through unsafe authentication detail modifications. CVE-2026-50242 involves an authentication bypass that could grant admin access. Administrators are urged to update to Hub version 2026.1.13757 or the relevant LTS branches immediately to mitigate these risks. The vulnerabilities were published on June 19, 2026, and pose a significant threat to organizations using JetBrains products. 37 sources 72

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Critical JetBrains Vulnerabilities Enable Authentication Bypass and Code Execution Attacks

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Attack Types (2)

CWE Weaknesses (2)

MITRE ATT&CK (2)

Platforms (5)