CVE-2026-14917 Kong API Gateway Enterprise: SAML Authentication bypass
An attacker can bypass SAML authentication and impersonate administrators if signature validation is explicitly disabled in the Kong SAML plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-14917?
CVE-2026-14917 is a high-severity authentication bypass vulnerability in Kong Enterprise Gateway, published on 16 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A SAML authentication bypass vulnerability affects the Kong SAML plugin when the validate_assertion_signature option is explicitly set to false. This option is enabled by default. When disabled, the plugin may extract the SAML identity from an unsigned assertion and authenticate the user without verifying a valid cryptographic signature.
As a result, an unauthenticated remote attacker may be able to submit a crafted SAML response and impersonate arbitrary users, including administrators
Weakness: CWE-288
Which versions are affected by CVE-2026-14917?
How do I fix CVE-2026-14917?
No fix has been published for CVE-2026-14917 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2026-14917 being exploited?
There is no known exploitation of CVE-2026-14917 in the wild and no public exploit code.
Sources
Also known as GHSA-p8wp-m49r-5g58.