CVE-2026-81455 Missing authorization in ThinOS 10
Unauthenticated remote attackers can bypass authentication to gain unauthorized access to Dell ThinOS 10 systems.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-81455?
CVE-2026-81455 is a high-severity missing authorization vulnerability in Dell ThinOS 10, published on 24 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Dell ThinOS 10, versions prior to SecurityAddon_2605.10.2766_T10, contain a Missing Authentication for Critical Function vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Unauthorized access.
Weakness: CWE-306
Which versions are affected by CVE-2026-81455?
How do I fix CVE-2026-81455?
No fix has been published for CVE-2026-81455 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-81455 being exploited?
There is no known exploitation of CVE-2026-81455 in the wild and no public exploit code.
Sources
Also known as GHSA-whqh-fv4r-27g8.