Vulnerability DatabaseCVE-2026-39999
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CVE-2026-39999
Published:June 19, 2026
Updated:June 28, 2026
Authentication Bypass by Spoofing vulnerability in Apache APISIX. The attacker can completely bypass authentication capitalising on certain configurations of jwt-auth plugin. This issue affects Apache APISIX: from v2.2 through v3.16.0. Users are recommended to upgrade to version v3.17.0, which fixes the issue.
Affected Packages
https://github.com/apache/apisix.git (GITHUB):
Affected version(s) >=2.2 <3.17.0
Fix Suggestion:
Update to version 3.17.0
Related Resources (2)
http://www.openwall.com/lists/oss-security/2026/06/19/5
https://lists.apache.org/thread/nfopt8cnxd3k0rs1oxtr7lzxrdw4mojq
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CVSS v4
Base Score:
7
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
HIGH
Subsequent System Availability
NONE
CVSS v3
Base Score:
10
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Authentication Bypass by Spoofing
CWE-290
EPSS
Base Score:
0.39