CVE-2026-45391 Local privilege escalation in Cribl Edge for Linux
A local unprivileged user can execute arbitrary commands as the Cribl Edge service account due to command injection.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-45391?
CVE-2026-45391 is a high-severity command injection vulnerability in Cribl Edge, published on 12 May 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A command injection vulnerability in Cribl Edge for Linux versions 3.2.0 through 4.17.0 allows a local unprivileged user to execute arbitrary commands in the context of the Cribl Edge service account.
Which versions are affected by CVE-2026-45391?
How do I fix CVE-2026-45391?
No fix has been published for CVE-2026-45391 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-45391 being exploited?
There is no known exploitation of CVE-2026-45391 in the wild and no public exploit code.
Sources
Also known as GHSA-v5fp-5xmq-m2x6.