CVE-2026-123041 - Vulnerability Details - OpenCVE

The request-callout plugin in Kong Gateway Enterprise and Kong AI Gateway omits callout headers not sent by the client from its cache key, allowing a cached callout response for a caller to be served to another.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact None

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00445.

Key SSVC decision points have not yet been added.

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://developer.konghq.com/ai-gateway/changelog/
https://developer.konghq.com/gateway/changelog/

History

Tue, 10 Nov 2026 22:00:00 +0000

Type	Values Removed	Values Added
Description		The request-callout plugin in Kong Gateway Enterprise and Kong AI Gateway omits callout headers not sent by the client from its cache key, allowing a cached callout response for a caller to be served to another.
Weaknesses		CWE-524
References		https://developer.konghq.com/ai-gateway/changelog/ https://developer.konghq.com/gateway/changelog/
Metrics		cvssV4_0 `{'score': 8.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: Kong

Published: 2026-11-10T21:43:16.091Z

Updated: 2026-11-10T21:43:16.091Z

Reserved: 2026-11-05T08:13:50.698Z

Link: CVE-2026-123041

Vulnrichment

No data.

NVD

Status : Received

Published: 2026-11-10T22:18:28.870

Modified: 2026-11-10T22:18:28.870

Link: CVE-2026-123041

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-524

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