CVE-2026-104935
HighExploitedPublic exploitAuthentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands.
Published Oct 13, 2026 · Updated Oct 13, 2026 · Also known as EUVD-2026-98816, GHSA-vm2g-whwh-xhq8
Key Facts
Patch immediately- CVE-2026-104935 is a high-severity vulnerability (CVSS 8.6 v3.1) affecting Connect Secure (Ivanti).
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 13, 2026. Public exploit code is available.
- EPSS estimates a 26% probability of exploitation in the next 30 days.
- Fixed versions are available, including Connect Secure 25.1.1.2, Connect Secure 25.1.3.0.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L
EPSS (30-day exploit likelihood)
26%
Higher than 97.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2026-104935 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Oct 13, 2026 | Oct 16, 2026 | Not reported |
| Industry KEV feed | Oct 13, 2026 | Oct 16, 2026 | Not reported |
| CIRCL KEV | Oct 13, 2026 | Oct 16, 2026 | Not reported |
| ENISA EUVD | Oct 13, 2026 | n/a | Not reported |
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.
Affected Products
8 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Connect SecureIvanti | 22.8-r2, 22.8-r2.1, 22.8-r2.2, 22.8-r2.3, 22.8-r2.4 | 25.1.1.2 |
Patched Releases
Connect Secure
25.1.1.2, 25.1.3.0
Timeline
Publicly disclosed
Oct 13, 2026
Added to CISA KEV
Oct 13, 2026
Added to Industry KEV feed
Oct 13, 2026
Added to CIRCL KEV
Oct 13, 2026
Added to ENISA EUVD
Oct 13, 2026
Weakness Type
- CWE-290 Authentication Bypass by Spoofing
References
FAQ
Common Questions.
Authentication bypass by spoofing in ICS before version 25.1.3.0 allows a remote unauthenticated attacker to execute arbitrary commands.
Affected: Connect Secure (Ivanti) versions 22.8-r2, 22.8-r2.1, 22.8-r2.2, 22.8-r2.3, 22.8-r2.4. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Oct 13, 2026.
Yes. It was added on Oct 13, 2026 with a federal remediation due date of Oct 16, 2026.
Public exploit code is available.
Fixed versions are available, including Connect Secure 25.1.1.2, Connect Secure 25.1.3.0.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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