SAML Plugin Vulnerability in Kong Gateway Enterprise Software
CVE-2026-92439

7.8HIGH

Key Information:

Vendor

Kong Inc.

Status
Kong Gateway Enterprise
Kong Ai Gateway
Vendor
CVE Published:
10 November 2026

What is CVE-2026-92439?

The SAML plugin within Kong Gateway Enterprise has a significant oversight, failing to enforce the AudienceRestriction feature. This flaw creates an opportunity for attackers to exploit valid assertions issued for one Service Provider, leveraging them to authenticate improperly to Kong. Such vulnerabilities can lead to unauthorized access and compromise the security of the application. Organizations using Kong Gateway should address this vulnerability promptly to mitigate potential risks.

Affected Version(s)

Kong AI Gateway 2.2.0 < 2.2.1

Kong Gateway Enterprise 3.10.0.0 < 3.10.0.20

Kong Gateway Enterprise 3.13.0.0 < 3.13.0.12

References

https://developer.konghq.com/gateway/changelog/
release-notes
https://developer.konghq.com/ai-gateway/changelog/
release-notes

CVSS V4

Score:
7.8
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

johanw
.