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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是美国Apache基金会的一款API网关。 Apache APISIX 3.17.0版本存在资源管理错误漏洞，该漏洞源于低效算法复杂性，在graphql-limit-count路由中单个小请求可使网关worker长时间占用100% CPU，可能导致拒绝服务。

CVSS 8.7 · High EPSS 0.74% · P54

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 1

VendorProduct Version RangeStatus
Apache Software Foundation Apache APISIX 3.17.0 affected
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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
Vulnerability Title
Apache APISIX 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Apache APISIX是美国Apache基金会的一款API网关。 Apache APISIX 3.17.0版本存在资源管理错误漏洞，该漏洞源于低效算法复杂性，在graphql-limit-count路由中单个小请求可使网关worker长时间占用100% CPU，可能导致拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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 Premium
Reproduced successfully in a real sandbox · Below is the actual recording of building the environment and exploiting the vulnerability.
Success marker: VULNERABLE: single ~1.1KB GraphQL query pinned APISIX worker at 101.28%->100.54%->100.39% CPU (worker pinned at 100% of one core) for an extended period — CVE-2026-75005 CPU-exhaustion DoS confirmed
Reproduction recording is a Pro+ exclusive
Watch the full sandbox build + live exploit recording for this CVE. Limited-time ¥499/mo.
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claude-sonnet-4-6@cc_verify · 4202 chars
GitHub 复现环境（可 clone 直接跑）
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Vulnerability reproduction recording (real sandbox build + trigger, exclusive)
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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-2026-75020 7.0 HIGH Apache APISIX: ldap-auth plugin cross-subtree identity impersonation
CVE-2026-74848 7.0 HIGH Apache APISIX: Cross-user response poisoning in serverless plugins

IV. Related Vulnerabilities

Same product: Apache APISIX
Same vendor: Apache Software Foundation
Same weakness: CWE-407

V. Comments for CVE-2026-75005

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