Apache

CVE-2026-124723: Interpretation Conflict, leading to Incorrect Authorization vulnerability in Apache APISIX. With match_uri_encoded_slash enabled and skip_mtls_uri_regex conf

CVE-2026-124723 Nov 13, 2026 Source: Vendor

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.

Source of record The credited names below are quoted verbatim from the vendor's own advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-124723

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CVE-2026-124723 BR2026-0000-048580 unclaimed

Credited as hataehoon