CVE-2025-46647

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

Description

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.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.02%
Vendor Advisory apache.org
Affected: Apache Software Foundation Apache APISIX
Published at:
Updated at:

References

Link Tags
https://lists.apache.org/thread/yrpp2cd3o4qkxlrh421mq8gsrt0k4x0w vendor advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2025-46647?
CVE-2025-46647 has been scored as a medium severity vulnerability.
How to fix CVE-2025-46647?
To fix CVE-2025-46647, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-46647 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-46647 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-46647?
CVE-2025-46647 affects Apache Software Foundation Apache APISIX.
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