CVE-2026-78545 Improper Input Sanitization in Okta Access Gateway Application Label Configuration

Medium 6.6 Published Updated

Attackers can inject nginx directives via unsanitized application labels, leading to code execution on the Okta Access Gateway server.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-78545?

CVE-2026-78545 is a medium-severity code injection vulnerability in Okta Access Gateway, published on 8 Sep 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Okta Access Gateway does not sanitize the application label field before including it in the generated nginx configuration file. The unsanitized value is interpolated into an nginx server block directive, resulting in execution of injected directives.

Weakness: CWE-94

Which versions are affected by CVE-2026-78545?

It affects 1 product.

Products include Okta Access Gateway.

How do I fix CVE-2026-78545?

No fix has been published for CVE-2026-78545 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-78545 being exploited?

There is no known exploitation of CVE-2026-78545 in the wild and no public exploit code.

Sources

Also known as GHSA-r66p-gcff-8wm2.

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