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Ivanti · Connect Secure

CVE-2026-104935

Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability

Exploited in attacks High 8.6 Attack chance: 87%
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What it is

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.

CISA: 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.

Deadline for US federal agencies: October 16, 2026

Added to the CISA list
October 13, 2026
Published
October 13, 2026
Severity
High 8.6 CVSS 3.1
Chance of attacks in the next 30 days (EPSS)
87% in the top 0.3% of all known vulnerabilities
Weakness
CWE-290
More details
NVD · CVE.org · CISA
All references (1)

More exploited flaws from Ivanti

AddedVulnerabilityProductSeverityAttack chance
Jun 11, 2026OS Command InjectionCVE-2026-10520SentryCritical 10.099.9%
May 7, 2026Improper Input ValidationCVE-2026-6973Endpoint Manager Mobile (EPMM)High 7.234%
Apr 8, 2026Code InjectionCVE-2026-1340Endpoint Manager Mobile (EPMM)Critical 9.899%
Mar 9, 2026Endpoint Manager (EPM) Authentication BypassCVE-2026-1603 Endpoint Manager (EPM)High 8.688%
Jan 29, 2026Code InjectionCVE-2026-1281Endpoint Manager Mobile (EPMM)Critical 9.899%
May 19, 2025Authentication BypassCVE-2025-4427Endpoint Manager Mobile (EPMM)Medium 5.399.9%
May 19, 2025Code InjectionCVE-2025-4428Endpoint Manager Mobile (EPMM)High 7.288%
Apr 4, 2025Stack-Based Buffer OverflowCVE-2025-22457used by ransomwareConnect Secure, Policy Secure, and ZTA GatewaysCritical 9.0>99.9%

All of them →

Sources: Known Exploited Vulnerabilities (CISA, public domain), CVE records (cve.org) and EPSS (FIRST). The chance of attacks is the EPSS estimate that someone will try to exploit the flaw in the next 30 days.