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CVE-2026-44087

Apache Apisix vulnerability

9.1 CRITICALEPSS 0.28%
  1. Published19 Jun 2026

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 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Affected products

Apache Apisix≥ 2.3 < 3.17.0

Remediation

Fixed in
Apache Apisix≥ 3.17.0

References

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Frequently asked

Is CVE-2026-44087 being actively exploited?

CVE-2026-44087 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.28%.

How severe is CVE-2026-44087?

CVE-2026-44087 has a CVSS 3.1 base score of 9.1, rated critical. EPSS estimates a 0.28% probability of exploitation.

Which products are affected by CVE-2026-44087?

Affected products include Apache Apisix.

How do I fix CVE-2026-44087?

Upgrade affected software to a fixed version, for example Apache Apisix 3.17.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.