8.1
HIGH CVSS 3.1
CVE-2026-47339
Apache APISIX: authz-casdoor incorrect session sharing
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.

INFO

Published Date :

June 19, 2026, 2:16 p.m.

Last Modified :

June 23, 2026, 3:11 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2026-47339 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Apache apisix
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 3.1 HIGH [email protected]
CVSS 4.0 MEDIUM f0158376-9dc2-43b6-827c-5f631a4d8d09
CVSS 4.0 MEDIUM [email protected]
Solution
Upgrade Apache APISIX to version 3.17.0 to fix the authorization vulnerability.
  • Upgrade Apache APISIX to version 3.17.0.
  • Verify the authz-casdoor plugin configuration.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-47339.

URL Resource
https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76 Vendor Advisory Mailing List
http://www.openwall.com/lists/oss-security/2026/06/19/9 Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-47339 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-47339 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-47339 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2026-47339 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Jun. 23, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
    Added CPE Configuration OR *cpe:2.3:a:apache:apisix:*:*:*:*:*:*:*:* versions from (including) 2.14.1 up to (excluding) 3.17.0
    Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76 Types: Mailing List, Vendor Advisory
    Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/06/19/9 Types: Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 22, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2026-47339', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-06-22T16:18:19.243261Z'}
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Jun. 19, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/06/19/9
  • New CVE Received by [email protected]

    Jun. 19, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache APISIX', 'versions': [{'status': 'affected', 'version': '2.14.1', 'versionType': 'semver', 'lessThanOrEqual': '3.16.0'}], 'defaultStatus': 'unaffected'}]
    Added 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.
    Added CVSS V4.0 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:X/V:X/RE:X/U:X
    Added CWE CWE-863
    Added Reference https://lists.apache.org/thread/lk4q5o855cocc7zq5wh1zlctfmcq6f76
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.