CVE-2026-40460
CVE-2026-40460: 2 tracked advisory records across F5, Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
F5
1 advisory- Advisory severityMedium6.9
Medium [CVE-2026-40460] 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
CVE-2026-40460Source published Source updated
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.
- Related products — impact not confirmed
- NGINX Plus
- NGINX
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-40460] Authorization bypass via IP spoofing in HTTP/3 QUIC module
CVE-2026-40460Source published
Authorization bypass via IP spoofing in HTTP/3 QUIC module. Red Hat rates this moderate (CVSS 6.5). Weakness: CWE-290. Affected package(s): nginx-main. Resolved in Red Hat advisory RHSA-2026:20351 — update the affected packages (`sudo dnf update`).
- Related products — impact not confirmed
- nginx-main
- Red Hat Enterprise Linux
- Source-reported affected versions
- nginx-main-1.30.2-1.hum1
- Source-reported fixed versions
- RHSA-2026:20351
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:20351 (`sudo dnf update` / `yum update`).
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