CVE-2026-124726

MediumCVSS 6.9/10Last modified Nov 13, 2026

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.

Metrics

CVSS 4.0 6.9/10CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Weakness enumeration

CWE-23

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

No affected versions have been published.

Timeline

Published
Nov 13, 2026
Last modified
Nov 13, 2026
NVD status
Received

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CVE-2026-124726: Medium severity, CVSS 6.9 | Vulnix