CVE-2026-104935

High

Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability

8.6 CVSS v3.1

Published: Oct 13, 2026
Updated: Oct 13, 2026
Vendor: Ivanti
Affected versions: See affected products
Weakness: CWE-290

Summary

Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands. This does not impact ICS version 22.7R2.14 or prior.

Severity

High (8.6)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L

Affected products

Ivanti Connect Secure >= 25.1.0.0, < 25.1.1.2
Ivanti Connect Secure >= 25.1.2.0, < 25.1.3.0
Ivanti Connect Secure 22.8

Exploitation status

Actively exploited

Listed in the CISA Known Exploited Vulnerabilities catalog on Oct 13, 2026. Federal remediation due: Oct 16, 2026.

Technical details

Technical analysis has not been written for this record yet.

Mitigation & remediation

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.