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CVE-2026-40460— NGINX ngx_quic_module vulnerability

CVSS 6.5 · Medium EPSS 0.02% · P6
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I. Basic Information for CVE-2026-40460

Vulnerability Information
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Vulnerability Title
NGINX ngx_quic_module vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
When NGINX Plus or NGINX Open Source are configured to use the HTTP/3 QUIC module, an attacker may be able to spoof their source IP address allowing for bypass of authorization or bypass of rate limiting.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
使用欺骗进行的认证绕过
Source: NVD (National Vulnerability Database)
Vulnerability Title
F5 NGINX Plus和F5 NGINX Open Source 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
F5 NGINX Plus和F5 NGINX Open Source都是美国F5公司的产品。F5 NGINX Plus是一个基于软件的应用程序交付平台。F5 NGINX Open Source是一个高性能Web服务器、反向代理服务器、负载均衡器和API网关。 F5 NGINX Plus和F5 NGINX Open Source存在安全漏洞，该漏洞源于配置使用HTTP/3 QUIC模块时，攻击者可能伪造源IP地址，绕过授权或速率限制。
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

VendorProductAffected VersionsCPESubscribe
F5NGINX Plus R37 ~ * -
F5NGINX Open Source 1.26.0 ~ 1.30.1 -

II. Public POCs for CVE-2026-40460

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III. Intelligence Information for CVE-2026-40460

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Same Patch Batch · F5 · 2026-05-13 · 51 CVEs total

CVE-2026-412259.1 CRITICALiControl REST vulnerability
CVE-2026-419578.8 HIGHBIG-IP and BIG-IQ Configuration utility vulnerability
CVE-2026-400618.7 HIGHiControl REST and tmsh vulnerability
CVE-2026-326738.7 HIGHBIG-IP scripted monitor vulnerability
CVE-2026-341768.7 HIGHKnowledge Appliance mode iControl REST vulnerability
CVE-2026-429308.7 HIGHAppliance mode iControl REST vulnerability
CVE-2026-209168.1 HIGHBIG-IQ iControl REST vulnerability
CVE-2026-429458.1 HIGHNGINX ngx_http_rewrite_module vulnerability
CVE-2026-412177.9 HIGHBIG-IP tmsh vulnerability
CVE-2026-406187.5 HIGHBIG-IP SSL/TLS vulnerability
CVE-2026-429207.5 HIGHBIG-IP DTLS Vulnerability
CVE-2026-406297.5 HIGHBIG-IP SSL/TLS vulnerability
CVE-2026-419567.5 HIGHBIG-IP TMM Vulnerability
CVE-2026-400607.5 HIGHBIG-IP Advanced WAF and ASM vulnerability
CVE-2026-412187.5 HIGHBIG-IP PEM iRules vulnerability
CVE-2026-412277.5 HIGHBIG-IP HTTP/2 Layer 7 Dos Protection vulnerability
CVE-2026-424097.5 HIGHBIG-IP HTTP/2 vulnerability
CVE-2026-400677.5 HIGHBIG-IP APM Vulnerability
CVE-2026-394587.5 HIGHBIG-IP DNS Cache vulnerability
CVE-2026-394557.5 HIGHBIG-IP Configuration utility vulnerability

Showing top 20 of 51 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: NGINX Plus
Same vendor: F5
Same weakness: CWE-290

V. Comments for CVE-2026-40460

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