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Ivanti Connect Secure zero-day exploited in the wild (CVE-2026-104935)

MentionsIvantiIvanti Connect Secure

Overview On October 13, 2026, Ivanti published a security advisory for CVE-2026-104935 , a high-severity authentication bypass by spoofing ( CWE-290 ) affecting Ivanti Connect Secure (ICS). The vulnerability has a CVSSv3.0 score of 8.6 and allows a remote, unauthenticated attacker to execute arbitrary commands.

Summary from Rapid7 Blog.

Vulnerabilities in this story

Severity and exploitation facts from NVD, FIRST, and CISA.

Other sources covering the same vulnerabilities or event.

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