CVE-2026-104935IvantiFirewall and VPNOctober 13, 2026

Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability

High 8.6Actively exploited

Description

Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands.

What to do

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.

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Details

Vendor
Ivanti
Product
Ivanti Connect Secure
CVE
CVE-2026-104935
Affected versions
Connect Secure 25.1: from 25.1.0.0 to before 25.1.1.2; from 25.1.2.0 to before 25.1.3.0 — fixed in 25.1.3.0
Connect Secure 22.8: 22.8R2 – 22.8R2.4 (from the advisory and NVD; check the exact builds in the official advisory)
CVSS score
8.6
Actively exploited
Yes, listed in the CISA Known Exploited Vulnerabilities catalog
CISA due date
October 16, 2026 (deadline for US federal agencies: a good benchmark for you too)
Source
CISA KEV – original advisory
Published
October 13, 2026

The description and the recommended action are quoted from the public advisory; severity, exploitation status and affected versions are compiled automatically from public sources and may contain errors. The vendor's original advisory prevails: check it before taking action. This information is provided without warranty and does not replace a professional assessment.

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