---
schema_version: '1.0'
id: security-20260705-a9b5d4
url: https://osv.dev/vulnerability/DEBIAN-CVE-2026-40460
url_hash: a9b5d4d148a1580943bcddf47565552726b4962d963cf5d47bf9a178d0a08da0
canonical_url: https://osv.dev/vulnerability/DEBIAN-CVE-2026-40460
source: osv:debian
category: security/os
category_raw: cve/os
region: null
tags:
- cve
- DEBIAN-CVE-2026-40460
- severity:CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- nginx
- Debian
lang: en
published_at: '2026-05-13T16:16:42Z'
fetched_at: '2026-07-05T15:34:33Z'
updated_at: '2026-07-05T15:34:52Z'
status: published
content_hash: 2362da826bdb1a8a10c56e2a560f15785d809d9d9ca2d8e44c4f5abcc1e753c9
license_note: full
summary: '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)'
summary_source: rss
summary_en: '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)'
entities: []
key_facts: []
related: []
related_auto: []
title: DEBIAN-CVE-2026-40460 — nginx
---

# DEBIAN-CVE-2026-40460 — nginx

## TL;DR
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)

## Key Points
- cve / DEBIAN-CVE-2026-40460 / severity:CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X / nginx / Debian

## Details
**Severity:** CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
**Advisory:** DEBIAN-CVE-2026-40460

**Affected (your watchlist):**
- `Debian:nginx` 1.22.1-9+deb12u1 → no fixed version listed [proxmox]

**Details:**
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.

**References:**
- https://security-tracker.debian.org/tracker/CVE-2026-40460

_Data: OSV.dev (upstream: debian) — https://osv.dev/vulnerability/DEBIAN-CVE-2026-40460_

## Source
元記事: [DEBIAN-CVE-2026-40460 — nginx](https://osv.dev/vulnerability/DEBIAN-CVE-2026-40460) — published 2026-05-13T16:16:42Z