CVE-2026-44087 — CRITICAL (9.1)

Q: How severe is CVE-2026-44087?

CVE-2026-44087 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Q: Is there a patch for CVE-2026-44087?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apisix.

Vulnerability Description

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.

CVSS Score

9.1

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

NONE

Affected Products

Vendor	Product	Versions
Apache	Apisix	>= 2.3, < 3.17.0

Related Weaknesses (CWE)

CWE-345

References

https://lists.apache.org/thread/72ryrgdssk6s2x9d6xn14bxyyl878xfmVendor AdvisoryMailing List
http://www.openwall.com/lists/oss-security/2026/06/19/7Third Party Advisory

FAQ

What is CVE-2026-44087?

CVE-2026-44087 is a vulnerability with a CVSS score of 9.1 (CRITICAL). 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 h...

How severe is CVE-2026-44087?

CVE-2026-44087 has been rated CRITICAL with a CVSS base score of 9.1/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2026-44087?

Check the references section above for vendor advisories and patch information. Affected products include: Apache Apisix.