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PoC Exploit Released for Critical Cisco Expressway RCE Vulnerability With CVSS 9.8 Score

GBHackers ·

A public proof-of-concept exploit is now available for CVE-2026-76466, a critical flaw in Cisco Expressway that lets an unauthenticated attacker run commands as root. Cisco published its advisory on October 21, 2026, and the flaw carries a CVSS score of 9.8. Researcher Nicolas Krassas (dinosn) posted the exploit and a fleet detector on GitHub. That […] The post PoC Exploit Released for Critical Cisco Expressway RCE Vulnerability With CVSS 9.8 Score appeared first on GBHackers Security | #1 Globally Trusted Cyber Security News Platform .

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