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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-27 · updated 2026-08-28
• Weakness: CWE-407

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.

Affected products

• Apache Software Foundation Apache APISIX: 3.17.0

References

• https://lists.apache.org/thread/wfs7c9l8sokrh9hzv84lno12nx2zxpjk
• http://www.openwall.com/lists/oss-security/2026/08/26/13

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