Vulnerability DatabaseCVE-2026-94276
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CVE-2026-94276
Published:October 01, 2026
Updated:October 11, 2026
Improper Authentication vulnerability in Apache APISIX. On a route using openid-connect plugin with remote introspection against an authorization server that serves multiple issuers, a token that introspects as active for one issuer may get accepted on a route restricted to another. This issue affects Apache APISIX: from 3.12.0 through 3.18.0. Users are recommended to upgrade to version 3.19.0, which fixes the issue.
Affected Packages
https://github.com/apache/apisix.git (GITHUB):
Affected version(s) >=3.12.0 <3.19.0
Fix Suggestion:
Update to version 3.19.0
Related Resources (3)
https://lists.apache.org/thread.html/txn3br25kl657fh15rwcy1oht1xbpyyk
http://www.openwall.com/lists/oss-security/2026/10/01/8
https://nvd.nist.gov/vuln/detail/CVE-2026-94276
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CVSS v4
Base Score:
5.1
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Authentication
CWE-287
EPSS
Base Score:
0.49