PT-2026-50896 · Apache · Apache Apisix

Lokerxxx · Published 2026-06-19 · Updated 2026-06-19 · CVE-2026-49231

NVD

CVSS v4.0

2.3

Low

Base vector

AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Authentication Bypass by Spoofing vulnerability in opa plugin.

An attacker could relay spoofed identity headers to upstream capitalising on non-default configuration in opa plugin.

This could allow the attacker to assume higher privileges on the upstream service. This issue affects Apache APISIX: from 3.5.0 through 3.16.0.

Users are recommended to upgrade to version 3.17.0, which fixes the issue.

Fix

Authentication Bypass by Spoofing

Weakness Enumeration

CWE-290

Related Identifiers

CVE-2026-49231

Affected Products

Apache Apisix

References · 2

• https://nvd.nist.gov/vuln/detail/CVE-2026-49231 · Security Note
• https://lists.apache.org/thread/s1jd1vxm59p6ghx47xhmpjdk1cobo4hn · Vendor Advisory