CVE-2026-44087 PUBLISHED

Apache APISIX: Openid-connect plugin Identity Header Spoofing

Assigner: apache
Reserved: 05.05.2026 Published: 19.06.2026 Updated: 19.06.2026

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.

Metrics

CVSS 4.0

CVSS Vector: 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
CVSS Score: 5.3

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	High
Attack Complexity	Low	Integrity	None	Integrity	High
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache APISIX
Versions	Default: unaffected affected from 2.3 to 3.16.0 (incl.)

Credits

Qi Deng finder

References

https://lists.apache.org/thread/72ryrgdssk6s2x9d6xn14bxyyl878xfm

Problem Types

CWE-345 Insufficient Verification of Data Authenticity CWE