Ivanti Connect Secure Missing Authentication for Critical Function Vulnerability

Summary

Ivanti Connect Secure contains a missing authentication for critical function vulnerability that could allow a local authenticated attacker to escalate their privileges. This vulnerability can be chained with CVE-2026-104935 and CVE-2026-118527.

Why it matters

CVE-2026-111357 is listed in CISA's Known Exploited Vulnerabilities catalog, confirming active exploitation in the wild. CISA remediation deadline: 2026-11-02. Treat remediation as urgent.

Operator check

Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Sources