CVE-2026-124723
Received
Received - Intake
Authorization Bypass in Apache APISIX via URI Decoding
Vulnerability report for CVE-2026-124723, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-11-13
Last updated on: 2026-11-13
Assigner: Apache Software Foundation
Description
Description
Interpretation Conflict, leading to Incorrect Authorization vulnerability in Apache APISIX.
With match_uri_encoded_slash enabled and skip_mtls_uri_regex
configured, a client without a certificate can reach an upstream
behind a route that requires one, limited to request paths that decode
to an exempted URI. This issue affects Apache APISIX: from 3.18.0 through 3.19.0.
Users are recommended to upgrade to version 3.20.0, which fixes the issue.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| Apache Software Foundation | Apache APISIX | From 3.18.0 (inc) to 3.19.0 (inc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-436 | Product A handles inputs or steps differently than Product B, which causes A to perform incorrect actions based on its perception of B's state. |
| CWE-863 | The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check. |
