CVE-2026-75005: Apache APISIX: Unauthenticated CPU-exhaustion DoS

[Abhishek Choudhary <shreemaanabhishek () apache org>]

Severity: 

Affected versions:

- Apache APISIX 3.17.0

Description:

Inefficient Algorithmic Complexity vulnerability in Apache APISIX.

 A single small request can pin a gateway worker at 100% CPU for an extended period in graphql-limit-count routes.




This issue affects Apache APISIX: 3.17.0.



Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Credit:

Md. Amdadul Bari (reporter)

References:

https://apisix.apache.org
https://www.cve.org/CVERecord?id=CVE-2026-75005