CVE-2026-93316 Starting daemon with --cdi-disabled flag can lead to panic on specific builds
Attackers can crash the BuildKit daemon by triggering a null pointer dereference when using CDI devices with the --cdi-disabled flag.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-93316?
CVE-2026-93316 is a high-severity vulnerability in moby BuildKit, published on 5 Oct 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
If BuildKit daemon is started with --cdi-disabled it can lead to daemon panic when builds try to use CDI devices. This can happen maliciously or by accident.
Weakness: CWE-476
Which versions are affected by CVE-2026-93316?
How do I fix CVE-2026-93316?
No fix has been published for CVE-2026-93316 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-93316 being exploited?
There is no known exploitation of CVE-2026-93316 in the wild and no public exploit code.
Sources
Also known as GHSA-r456-g3gm-cvxf, UBUNTU-CVE-2026-93316.