Expression-Injection โ€” PoC Archivehttps://poc.intelseclab.com/tags/expression-injection/Latest proof-of-concept entries.Hugoen-usSun, 05 Jul 2026 00:00:00 +0000n8n Unauthenticated Arbitrary File Read to RCE Full Chain โ€” CVE-2026-21858 + CVE-2025-68613https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-21858-n8n-rce-chain/Sun, 05 Jul 2026 00:00:00 +0000https://poc.intelseclab.com/pocs/web/2026-07-05_cve-2026-21858-n8n-rce-chain/Critical severity (CVSS 10) โ€” web ยท CVE-2026-21858, CVE-2025-68613. Status: Weaponized. Affects: n8n workflow automation platform. Tags: n8n, arbitrary-file-read, jwt-forgery, sandbox-bypass, expression-injection, rce, workflow-automation.webCriticaln8narbitrary-file-readjwt-forgerysandbox-bypassexpression-injectionrceworkflow-automation