CVE-2026-89169 Security feature bypass in live-boot
Attackers can bypass dm-verity root hash signature enforcement in Debian live-boot when the .verity file is missing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-89169?
CVE-2026-89169 is a medium-severity vulnerability in Debian live-boot, published on 11 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
live-boot ff8867c allows attackers to bypass the dm-verity-enforce-roothash-signature protection mechanism when the .verity file is missing.
Weakness: CWE-347
Which versions are affected by CVE-2026-89169?
How do I fix CVE-2026-89169?
No fix has been published for CVE-2026-89169 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-89169 being exploited?
There is no known exploitation of CVE-2026-89169 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-89169, GHSA-7rv3-47f7-55fq, UBUNTU-CVE-2026-89169.