CVE-2025-46647CWE-302

Apache APISIX: improper validation of issuer from introspection discovery url in plugin openid-connect

Medium · published July 2, 2025

CVSS v3.1
5.3
EPSS
0%
Percentile
40.6
In the wild
Unconfirmed
What it is

A vulnerability of plugin openid-connect in Apache APISIX.

This vulnerability will only have an impact if all of the following conditions are met:

1. Use the openid-connect plugin with introspection mode

2. The auth service connected to openid-connect provides services to multiple issuers

3. Multiple issuers share the same private key and relies only on the issuer being different

If affected by this vulnerability, it would allow an attacker with a valid account on one of the issuers to log into the other issuer.

This issue affects Apache APISIX: until 3.12.0.

Users are recommended to upgrade to version 3.12.0 or higher.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00482 · 40.6th percentile
Weakness
CWE-302 · Authentication Bypass by Assumed-Immutable Data
Published
2025-07-02T11:08Z
EPSS history
Timeline
  • 02 JUL 11:08Z
    Apache APISIX: improper validation of issuer from introspection discovery url in plugin openid-connect
    cvelistv5