JetBrains YouTrack RCE Flaw: High Privileges, Sandbox Bypass
The National Vulnerability Database (NVD) has detailed a critical vulnerability, CVE-2026-33392, affecting JetBrains YouTrack. This flaw allows a highly privileged user to achieve Remote Code Execution (RCE) by bypassing the sandbox mechanism. The CVSS score of 7.2 highlights its significant risk. While specific affected products aren’t detailed, the vulnerability designation points to potential impacts across deployments where administrative access is compromised.
This vulnerability, categorized under CWE-1336, is particularly concerning because it leverages elevated privileges. Attackers who gain administrative access can exploit this to execute arbitrary code, potentially leading to full system compromise. Defenders must prioritize patching and stringent access control for administrative accounts.
What This Means For You
- If your organization uses JetBrains YouTrack, immediately review the patch status for version 2025.3.131383 and all subsequent releases. Audit administrative account access and activity logs for any suspicious behavior, as this vulnerability requires high privileges to exploit and can lead to RCE.
Related ATT&CK Techniques
🛡️ Detection Rules
5 rules · 6 SIEM formats5 auto-generated detection rules for this incident, mapped to MITRE ATT&CK. Available in Sigma, Splunk SPL, Sentinel KQL, Elastic Lucene, QRadar AQL, and Wazuh.
Web Application Exploitation Attempt — CVE-2026-33392
Want this in your SIEM's native format? Get Splunk SPL, Sentinel KQL, Elastic, QRadar AQL, or Wazuh — ready to paste.
5 Sigma rules mapped to the ATT&CK techniques from this breach — pick your SIEM and get a ready-to-paste query.
Get All SIEM Formats →Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-33392 | RCE | JetBrains YouTrack before 2025.3.131383 |
| CVE-2026-33392 | RCE | sandbox bypass |
Written by SCW Vulnerability Desk
Related Posts
North Korean IT Scheme Facilitators Jailed in US Court
Two individuals, Kejia Wang and Zhenxing Wang, have been sentenced in the U.S. for their roles in a scheme that facilitated North Korean IT workers...
CVE-2026-6494 — The AAP MCP Server Vulnerability
CVE-2026-6494 — A flaw was found in the AAP MCP server. An unauthenticated remote attacker can exploit a log injection vulnerability by sending specially crafted...
CVE-2026-6439 — Cross-Site Scripting (XSS)
CVE-2026-6439 — The VideoZen plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 1.0.1. This is due to insufficient...