CVE-2026-80357 Auth bypass in Boot Optimized Server Storage (BOSS)
An unauthenticated attacker with physical access can exploit an improper access control flaw in the SMCU to gain unauthorized access to Dell BOSS controllers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-80357?
CVE-2026-80357 is a high-severity authentication bypass vulnerability in Dell Boot Optimized Server Storage (BOSS), published on 28 Sep 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Dell Boot Optimized Server Storage (BOSS), versions prior to 2.2.13.2038, contains an On-Chip Debug and Test Interface With Improper Access Control vulnerability in the SMCU on 17G BOSS-N1 controllers. An unauthenticated attacker with physical access could potentially exploit this vulnerability, leading to Unauthorized access.
Weakness: CWE-1191
Which versions are affected by CVE-2026-80357?
How do I fix CVE-2026-80357?
No fix has been published for CVE-2026-80357 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-80357 being exploited?
There is no known exploitation of CVE-2026-80357 in the wild and no public exploit code.
Sources
Also known as GHSA-4hjf-cp9c-q5mw.