BIT-nginx-2026-40460

vendorUSosv

NGINX ngx_quic_module vulnerability

view advisory published 2026-05-15Licence: per source

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.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-40460US	—	0.37% (31st)	—	2026-05-13
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…

references

External citations — patches, advisories, analysis.

https://my.f5.com/manage/s/article/K000161068ADVISORY
https://nvd.nist.gov/vuln/detail/CVE-2026-40460WEB

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