Is CVE-2026-47339 actively exploited?

No active exploitation of CVE-2026-47339 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-47339 be exploited remotely?

Yes. CVE-2026-47339 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-47339?

CVE-2026-47339 has a CVSS score of 8.1 (HIGH).

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HIGH

CVE-2026-47339

CWE-863Published: June 19, 2026· Updated: Jun 23, 2026

8.1

CVSS v3.1

Official Description

Incorrect Authorization vulnerability in Apache APISIX.

An attacker can capitalise on authz-casdoor plugin under default configuration to authenticate themselves with credentials from a different source.

This issue affects Apache APISIX: from 2.14.1 through 3.16.0.

Users are recommended to upgrade to version 3.17.0, which fixes the issue.

NVD Source

Technical Analysis

CVE-2026-47339 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), with a CVSS base score of 8.1.