CVE-2026-104935 (GCVE-0-2026-104935)

Vulnerability from cvelistv5 – Published: 2026-10-13 15:31 – Updated: 2026-10-13 19:58
VLAI CISA CIRCL
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
8.6 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
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
ivanti CNA under the mitre root
CNA scorecard C 63/100 over 39 records in the last 180 days details
References
Impacted products
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 Create a notification for this product.
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 1b7ea149-6049-4814-88ef-6c2880de0cce

Vulnerability ID: CVE-2026-104935

Status: Confirmed

Status Updated: 2026-10-13 00:00 UTC

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

Vulnerability ID: CVE-2026-104935

Status: Confirmed

Status Updated: 2026-10-09 08:39 UTC

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 09:16 UTC | Updated: 2026-10-09 08:39 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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