CVE-2026-124726

UNKNOWN 0.0

Apache APISIX: openapi-to-mcp tool call can reach an API path the document does not declare

CVSS Score

0.0

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-23
Vendor	apache software foundation
Product	apache apisix
Published	Nov 13, 2026
Last Updated	Nov 13, 2026

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Affected Versions

Apache Software Foundation / Apache APISIX

3.19.0 < 3.20.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

lists.apache.org: https://lists.apache.org/thread/1kodokhflvr51sc1qv985om3s6mozybg openwall.com: http://www.openwall.com/lists/oss-security/2026/11/13/11

Credits

🔍 Javier García Herrera shreemaan-abhishek shreemaan-abhishek