Request Callout Vulnerability in Kong Gateway Enterprise and Kong AI Gateway
CVE-2026-123041

8.2HIGH

Key Information:

Vendor

Kong Inc.

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

What is CVE-2026-123041?

A vulnerability in the request-callout plugin of Kong Gateway Enterprise and Kong AI Gateway allows callout headers that are not sent by the client to be omitted from the cache key. This may result in a situation where a cached response intended for one caller could incorrectly be served to another caller, posing potential security risks and data integrity issues.

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:
8.2
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.