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Message-ID: <751c3617-9767-b9f7-5991-aafd1dd2c87a@apache.org>
Date: Fri, 13 Nov 2026 15:50:36 +0000
From: Abhishek Choudhary <shreemaanabhishek@...che.org>
To: oss-security@...ts.openwall.com
Subject: CVE-2026-124716: Apache APISIX: authz-keycloak authorization scope
mismatch
Severity:
CVSS 4.0: 6.4 (medium) CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N
Affected versions:
- Apache APISIX 1.4.0 through 3.19.0
Description:
Incorrect Authorization vulnerability in Apache APISIX.
An authenticated user who holds any one of a route's required permissions or scopes can reach the protected upstream without the others, including HTTP methods the authorization server denied.
This issue affects Apache APISIX: from 1.4.0 through 3.19.0.
Users are recommended to upgrade to version 3.20.0, which fixes the issue.
Credit:
Erjey (Independent Security Researcher) (reporter)
shreemaan-abhishek (coordinator)
shreemaan-abhishek (remediation developer)
References:
https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-124716
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