CVE-2026-104935 Ivanti Connect Secure Authentication Bypass by Spoofing
Remote unauthenticated attackers can bypass authentication via spoofing to execute arbitrary commands on Ivanti Connect Secure ICS.
- Exploited in the wild
- Since 13 Oct 2026
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-104935?
CVE-2026-104935 is a high-severity authentication bypass vulnerability in Ivanti Connect Secure, published on 13 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-290
Which versions are affected by CVE-2026-104935?
It affects 1 product.
Products include Ivanti Connect Secure.
How do I fix CVE-2026-104935?
No fix has been published for CVE-2026-104935 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 16 Oct 2026.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-104935 being exploited?
Yes. Attackers have exploited CVE-2026-104935 in the wild since at least 13 Oct 2026.
Public exploit code: 1 Nuclei template and 5 proofs of concept on GitHub.
Other vulnerabilities in Ivanti Connect Secure
- CVE-2021-22893 Ivanti Pulse Connect Secure Use-After-Free
- CVE-2019-11510 Ivanti Pulse Connect Secure Arbitrary File Read
- CVE-2024-21887 Ivanti Connect Secure and Policy Secure Command Injection
- CVE-2025-22457 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
- CVE-2025-0282 Ivanti Connect Secure, Policy Secure, and ZTA Gateways Stack-Based Buffer Overflow
Sources
Also known as GHSA-vm2g-whwh-xhq8.