Bug 2477113 (CVE-2026-40460) - CVE-2026-40460 nginx: NGINX: Authorization bypass via IP spoofing in HTTP/3 QUIC module
Summary: CVE-2026-40460 nginx: NGINX: Authorization bypass via IP spoofing in HTTP/3 Q...
Keywords:
Status: NEW
Alias: CVE-2026-40460
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2481133
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-13 16:04 UTC by OSIDB Bzimport
Modified: 2026-05-25 07:41 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-05-13 16:04:42 UTC 
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.
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