User Impersonation Affecting nginx package, versions [1.25.0,1.30.1)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.37% (31st percentile)

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  • Snyk IDSNYK-UNMANAGED-NGINX-16680883
  • published14 May 2026
  • disclosed13 May 2026
  • creditRodrigo Laneth

Introduced: 13 May 2026

CVE-2026-40460  (opens in a new tab)
CWE-290  (opens in a new tab)

How to fix?

Upgrade nginx to version 1.30.1 or higher.

Overview

Affected versions of this package are vulnerable to User Impersonation in the ngx_quic_module process. An attacker can bypass authorization or rate limiting by spoofing their source IP address.

References

CVSS Base Scores

version 4.0
version 3.1