CVE-2026-75005: Apache APISIX: Unauthenticated CPU-exhaustion DoS
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Apache APISIXto a version that resolves this vulnerability.Fixed in 3.18.0
Event History
Frequently Asked Questions
Which deployments are exposed to this denial-of-service issue?
Apache APISIX 3.17.0 deployments using graphql-limit-count routes are affected. The issue allows a small request to consume a gateway worker's CPU for an extended period.
Does an attacker need to authenticate before exploiting the issue?
No. The issue is described as unauthenticated, so an attacker can trigger the CPU-exhaustion condition without authentication.
What should teams do to remediate the issue?
Upgrade Apache APISIX to version 3.18.0, which fixes the issue.