What is CVE-2026-44087?

CVE-2026-44087 is a critical-severity vulnerability in Apache Apisix, classified under Insufficient Verification of Data Authenticity. CVSS score: 9.1/10. Published 2026-06-19.

How severe is CVE-2026-44087?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Apache Apisix

CVE-2026-44087

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 una…

EPSS: 0.002 (11.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Apache Apisix
Apache Software Foundation Apisix — versions 2.3

Weakness classification (CWE)

CWE-345 — Insufficient Verification of Data Authenticity

References

security@apache.org (vendor-advisory, Mailing List, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (Third Party Advisory)

Frequently asked questions

What is CVE-2026-44087?: CVE-2026-44087 is a critical-severity vulnerability in Apache Apisix, classified under Insufficient Verification of Data Authenticity. CVSS score: 9.1/10. Published 2026-06-19.
How severe is CVE-2026-44087?: Critical severity. CVSS v3 base score is 9.1 out of 10.