CVE-2026-75005— Apache APISIX: Unauthenticated CPU-exhaustion DoS
Quick assessment
Affected
Apache Software Foundation Apache APISIX
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache APISIX 存在算法复杂度低效（Inefficient Algorithmic Complexity）漏洞。 在 路由中，一个微小的请求即可导致网关工作进程长时间占用 100% CPU。 此问题影响 Apache APISIX 版本：3.17.0。 建议用户升级至 3.18.0 版本，该版本已修复此问题。
Possible ATT&CK Techniques 1 AI
T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-75005
Vulnerability Information
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Vulnerability Title
Apache APISIX: Unauthenticated CPU-exhaustion DoS
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
算法复杂性
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache APISIX | 3.17.0 | - |
|
II. Public POCs for CVE-2026-75005
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
Verified env
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claude-sonnet-4-6@cc_verify
· 4202 chars
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III. Intelligence Information for CVE-2026-75005
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Mailing List Discussions for CVE-2026-75005 (1)
Same Patch Batch · Apache Software Foundation · 2026-08-27 · 3 CVEs total
| CVE-2026-74848 | 7.0 HIGH | Apache APISIX: Cross-user response poisoning in serverless plugins |
| CVE-2026-75020 | 7.0 HIGH | Apache APISIX: ldap-auth plugin cross-subtree identity impersonation |
IV. Related Vulnerabilities
Same product: Apache APISIX
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CVE-2026-74848
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CVE-2026-75020
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Same vendor: Apache Software Foundation
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CVE-2026-75020
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Same weakness: CWE-407
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V. Comments for CVE-2026-75005
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