CVE-2026-104935 (GCVE-0-2026-104935)
Vulnerability from cvelistv5 – Published: 2026-10-13 15:31 – Updated: 2026-10-13 19:58Summary
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
8.6 (High)
SSVC
Exploitation: active
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 15:42 UTC
CWE
- CWE-290 - Authentication bypass by spoofing
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://hub.ivanti.com/s/article/Security-Advisor… | |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Ivanti | Connect Secure |
Unaffected:
25.1.3.0
(custom)
Unaffected: 25.1.3.1 (custom) Unaffected: 22.8R2.5 (custom) Unaffected: 22.7R2.14 (custom) |
guessed |
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1de65794-4de9-442e-9a39-299bf381cadf
Exploited: Yes
Timestamps
First Seen: 2026-10-13
Asserted: 2026-10-13
Scope
Notes: Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability | Affected: Ivanti / Connect Secure | Description: Ivanti Connect Secure contains an authentication bypass by spoofing vulnerability that allows a remote unauthenticated attacker to execute arbitrary commands. | 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. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines. | Due date: 2026-10-16 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https:/forums.ivanti.com/s/article/Security-Advisory-Ivanti-Connect-Secure-CVE-2026-104935 ; https://nvd.nist.gov/vuln/detail/CVE-2026-104935
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-290 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | Connect Secure |
| Due Date | 2026-10-16 |
| Date Added | 2026-10-13 |
| Vendorproject | Ivanti |
| Vulnerabilityname | Ivanti Connect Secure Authentication Bypass by Spoofing Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-10-13 15:00 UTC
| Updated: 2026-10-13 15:00 UTC
CIRCL
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 79a2314a-22aa-4340-aed4-c7496bdd0652
Exploited: Yes
Characteristics
Remote Code Execution:
Yes
Authentication Required:
No
Local Access Required:
Remote
Severity:
100.0
Timestamps
First Seen: 2026-10-09
Asserted: 2026-10-09
Last Seen: 2026-10-09
Created: 2026-10-09 08:41 UTC
| Updated: 2026-10-09 08:41 UTC
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Sightings
| Author | Source | Type | Date | Other |
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Nomenclature
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
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