CVE-2026-104935
Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability
Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands.
CISA due Oct 16, 2026
- Ivanti Connect Secure
- High
- CVSS 8.6
- EPSS 25.98%
- Fixed version listed
What to do
Fixed version listed
- Required action
- 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.
- CISA deadline for US federal agencies
- Oct 16, 2026
Affected products
| Product | Affected | Fixed in |
|---|---|---|
| Ivanti Connect Secure | every version except: 25.1.3.0; 25.1.3.1; 22.8R2.5; 22.7R2.14 | 25.1.3.0, 25.1.3.1, 22.8R2.5, 22.7R2.14 |
Scores and signals
- Exploitation
- Exploited in the wild
- Severity
- High, CVSS 8.6 (v3.1, scored by ivanti)
- EPSS
- 25.98% chance of exploitation in the next 30 days (EPSS from FIRST, as of Oct 23, 2026)
- CISA's SSVC decision points
- Exploitation: active. Automatable: yes. Technical impact: total. As of Oct 13, 2026.
- Weakness
- CWE-290: Authentication bypass by spoofing
- Vendor
- Ivanti, Connect Secure
Timeline
- Added to CISA's Known Exploited Vulnerabilities catalog: exploited in the wild. US federal agencies must remediate by 2026-10-16.