CVE-2026-44087
CRITICAL severity · CVSS 9.1 · CWE-345
9.1CVSS CRITICAL
Summary
Insufficient Verification of Data Authenticity vulnerability in Apache APISIX. The openid-connect plugin under default configuration has an attack surface that allows the attacker to spoof identity headers allowing the attacker to get unauthorized access the protected resources. This issue affects Apache APISIX: from 2.3 through 3.16.0. Users are recommended to upgrade to version 3.17.0, which fixes the issue.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)0%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.