CVE-2026-77393 Inductive Automation Ignition Incorrect Default Permissions
Authenticated users can create projects due to incorrect default permissions in Ignition, allowing unauthorized modification of industrial control system configurations.
- 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-2026-77393?
CVE-2026-77393 is a high-severity vulnerability in Inductive Automation Ignition, published on 4 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
In Ignition 8.1.53 and earlier, the Gateway "Create Project Role(s)" setting shipped blank, which permitted any authenticated user to create projects (if they can execute gateway scripts). Ignition 8.1.54 restricts project creation to Designer sessions and no longer relies on this setting. The 8.3 series is not affected.
Weakness: CWE-276
Which versions are affected by CVE-2026-77393?
How do I fix CVE-2026-77393?
No fix has been published for CVE-2026-77393 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-77393 being exploited?
There is no known exploitation of CVE-2026-77393 in the wild and no public exploit code.
Sources
Also known as GHSA-c95r-xfc2-mhwg.