CVE-2026-47339: Apache APISIX: authz-casdoor incorrect session sharing

Published Jun 19, 2026
·
Updated

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.

Affected Software

2 affected components
Apache APISIX>=2.14.1<=3.16.0
Apache APISIX>=2.14.1<3.17.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache APISIX (authz-casdoor plugin) to a version that resolves this vulnerability.

    Fixed in 3.17.0

Event History

Jun 19, 2026
CVE Published
via MITRE·01:10 PM
Data Sourced
via MITRE·01:10 PM
DescriptionWeakness
Data Sourced
via NVD·02:16 PM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-47339?

CVE-2026-47339 has a medium severity score of 5.3 according to CVSS.

2

What is CVE-2026-47339 vulnerability about?

CVE-2026-47339 is an incorrect authorization vulnerability in Apache APISIX that allows attackers to authenticate using credentials from a different source.

3

Which versions of Apache APISIX are affected by CVE-2026-47339?

CVE-2026-47339 affects Apache APISIX versions from 2.14.1 through 3.16.0.

4

How do I fix CVE-2026-47339?

To fix CVE-2026-47339, users are recommended to upgrade to a version of Apache APISIX that is not affected by this vulnerability.

5

What does CVE-2026-47339 exploit in Apache APISIX?

CVE-2026-47339 exploits the authz-casdoor plugin under default configurations to enable incorrect session sharing.

Contact

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