HIGH · CVSS 8.6 ACTIVELY EXPLOITED PATCH AVAILABLE

CVE-2026-104935: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability

Facts
VendorIvanti
ProductConnect Secure
CVSS score8.6 · CVSS 3.1 · HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
EPSS88.9% (percentile 100)
Actively exploitedYes, according to CISA KEV
Added to CISA KEV13 Oct 2026
CISA federal deadline16 Oct 2026
Weakness (CWE)CWE-290
NVD published13 Oct 2026
NVD last modified13 Oct 2026
NVD statusAnalyzed

Affected versions

ProductAffected versionsFixed in
Ivanti Connect Securefrom 25.1.0.0 before 25.1.1.225.1.1.2
Ivanti Connect Securefrom 25.1.2.0 before 25.1.3.025.1.3.0
Ivanti Connect Secure22.8–
Ivanti Connect Secure22.8–
Ivanti Connect Secure22.8–
Ivanti Connect Secure22.8–
Ivanti Connect Secure22.8–

Required action (CISA's text)

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.

Description (NVD)

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.

Vendor advisories

SOURCES

Other Ivanti flaws

Data from NVD, CISA KEV, FIRST EPSS and vendor advisories. Updated 13 Oct 2026.