Description
Relative Path Traversal, with Unintended Proxy vulnerability in Apache APISIX.



A caller of the MCP endpoint can invoke endpoints the OpenAPI document
never declared, under the declared tool's HTTP method, using the credentials the
Route adds. This issue affects Apache APISIX: from 3.19.0 before 3.20.0.



Users are recommended to upgrade to version 3.20.0, which fixes the issue.
Published: 2026-11-13
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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History

Fri, 13 Nov 2026 18:00:00 +0000

Type Values Removed Values Added
Description Relative Path Traversal, with Unintended Proxy vulnerability in Apache APISIX. A caller of the MCP endpoint can invoke endpoints the OpenAPI document never declared, under the declared tool's HTTP method, using the credentials the Route adds. This issue affects Apache APISIX: from 3.19.0 before 3.20.0. Users are recommended to upgrade to version 3.20.0, which fixes the issue.
Title Apache APISIX: openapi-to-mcp tool call can reach an API path the document does not declare
Weaknesses CWE-23
References
Metrics cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N'}

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: apache

Published:

Updated: 2026-11-13T17:49:21.949Z

Reserved: 2026-11-09T11:18:05.786Z

Link: CVE-2026-124726

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-13T18:17:32.050

Modified: 2026-11-13T18:17:32.050

Link: CVE-2026-124726

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses
  • CWE-23

    Relative Path Traversal