Threats Tagged 'cve-2026-70656'
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Threats Tagged 'cve-2026-70656'
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CVE-2026-70656: CWE-1333: Inefficient Regular Expression Complexity in bluewave-labs CheckmateCVE-2026-70656 0 Checkmate is an open-source, self-hosted tool designed to track and monitor server hardware, uptime, response times, and incidents in real-time with beautiful visualizations. From 3.5.1 until 3.9.2, an authenticated admin or superadmin can set matchMethod to regex and place a malicious expression in the expectedValue field for advanced HTTP monitor matching. server/src/api/validation/monitorValidation.ts accepts the expression, and server/src/service/network/AdvancedMatcher.ts synchronously evaluates it against an attacker-controlled HTTP response body on the Node.js main event loop without a timeout or worker isolation, allowing catastrophic backtracking to freeze API endpoints, monitor checks, and WebSocket connections for all users. This issue is fixed in version 3.9.2. Join the discussion | CVE Database V5 | 08/21/2026, 17:59:28 UTC Added: 08/21/2026, 18:07:53 UTC |
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