Interpretation Conflict, resulting in (Incorrect Authorization) vulnerability in Apache APISIX.

An unauthenticated client can reach upstream paths protected by a route-level auth plugin when a route without auth exists on the same upstream and the upstream does not collapse encoded dot segments.

This issue affects Apache APISIX: from 0.9 through 3.19.0.

Users are recommended to upgrade to version 3.20.0, which fixes the issue.

CVSS Details

CVSS 4.0 Base Score: 7 (HIGH)
CVSS 4.0 Vector: (CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/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)

Prioritize with Active Threat Intelligence

With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.

Explore Intelligence Hub

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVSS Details

Prioritize with Active Threat Intelligence

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

MDR Buyer's Guide

Global Threat Landscape Report

Grow your business

CVE-2026-124680: Apache Software Foundation Apache APISIX: Interpretation Conflict, resulting in (Incorrect Authorization) vulnerability in Apache APISIX

CVSS Details

Prioritize with Active Threat Intelligence