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Vulnerability record · CVE-2026-47339 · published 19 June 2026

CVE-2026-47339: Apache apisix incorrect authorization vulnerability

Apache · Apisix

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.

5.3 CVSS 4.0 Medium EPSS 0.47% · top 61.6% CWE-863 · Incorrect authorization
5.3CVSS 4.0 base score
0.47%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
23 Jun 2026Last modified by NVD

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.

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76 Vendor AdvisoryMailing List
http://www.openwall.com/lists/oss-security/2026/06/19/9 Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-47339), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.