CVE-2025-46647 Apache APISIX: improper validation of issuer from introspection discovery url in plugin openid-connect
Attackers can bypass authentication to access other issuers if multiple issuers share keys in APISIX openid-connect introspection mode.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-46647?
CVE-2025-46647 is a medium-severity authentication bypass vulnerability in Apache APISIX, published on 2 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official 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.
Weakness: CWE-302
Which versions are affected by CVE-2025-46647?
1 open source package ship an affected version, including apisix. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
apisix Bitnami | All versions | 3.12.0 |
Products include Apache Apisix.
How do I fix CVE-2025-46647?
Upgrade apisix to 3.12.0 or later.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-46647 being exploited?
There is no known exploitation of CVE-2025-46647 in the wild and no public exploit code.
Other vulnerabilities in Apache APISIX
- CVE-2022-24112 Apache APISIX Authentication Bypass
- CVE-2022-25757 Apache APISIX: the body_schema check in request-validation plugin can be bypassed
- CVE-2026-31908 Apache APISIX: forward auth plugin allows header injection
- CVE-2026-75005 Apache APISIX: Unauthenticated CPU-exhaustion DoS
- CVE-2025-27446 Privilege escalation in Apache APISIX Java Plugin Runner
Sources
Also known as BIT-apisix-2025-46647, GHSA-495r-5j65-5hp3.