CVE-2026-49231

MEDIUM

Apache APISIX 3.5.0-3.16.0 OPA Plugin - Identity Spoofing

Title source: manual

Description

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.

References (2)

Core 2

Core References

Mailing List

http://www.openwall.com/lists/oss-security/2026/06/19/13

Vendor Advisory vendor-advisory

https://lists.apache.org/thread/s1jd1vxm59p6ghx47xhmpjdk1cobo4hn

Scores

CVSS v3 5.4

EPSS 0.0036

EPSS Percentile 27.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-290

Status published

Products (2)

apache/apisix 3.5.0 - 3.17.0

Apache Software Foundation/Apache APISIX 3.5.0 - 3.16.0

Published Jun 19, 2026

Tracked Since Jun 19, 2026