CVE-2026-78623 Improper Handling of SAML Assertion Attributes in Okta Access Gateway Advanced Mode Datastores

High 7.7 Published 8 Sep 2026 Updated 10 Sep 2026

Attackers can execute arbitrary SQL commands against the backend database via unsanitized SAML attributes in advanced mode datastores.

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-2026-78623?

CVE-2026-78623 is a high-severity SQL injection vulnerability in Okta Access Gateway, published on 8 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Okta Access Gateway does not sanitize SAML assertion values before interpolating them into database queries in the advanced mode datastore configuration. The unsanitized values are substituted directly into the query string prior to preparation, resulting in unintended SQL execution against the configured backend database.

Weakness: CWE-89

Which versions are affected by CVE-2026-78623?

It affects 1 product.

Products include Okta Access Gateway.

How do I fix CVE-2026-78623?

No fix has been published for CVE-2026-78623 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2026-78623 being exploited?

There is no known exploitation of CVE-2026-78623 in the wild and no public exploit code.

Sources

Also known as GHSA-9j47-j79g-74hf.