CVE-2026-14917

HIGHCVSS 7.7/10

Last modified

CVE-2026-14917 is a high-severity vulnerability rated 7.7/10 on the CVSS scale. 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.

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

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
KongKong Enterprise Gateway>= 3.15.0.0, < 3.15.0.3; >= 3.14.0.0, < 3.14.0.12; >= 3.13.0.0, < 3.13.0.9; >= 3.12.0.0, < 3.12.0.10; >= 3.10.0.0, < 3.10.0.17; >= 3.4.0.0, < 3.4.3.29

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-14917?
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
How severe is CVE-2026-14917?
CVE-2026-14917 has a CVSS score of 7.7/10 (HIGH severity).
How do I fix CVE-2026-14917?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST