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CVE-2026-45364

🗓️ 28 May 2026 21:34:51Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 30 Views🌐 WEB

Better Auth rate limiter uses exact textual IP, enabling IPv six address rotation and encoding to bypass limits.

Related
Detection
Affected
Refs
Paths
Vulners
Node
OR
better-authbetter_authRange1.5.0-beta.11.5.0-beta.9
[
  {
    "vendor": "better-auth",
    "product": "better-auth",
    "versions": [
      {
        "version": "< 1.4.17",
        "status": "affected"
      },
      {
        "version": ">= 1.5.0-beta.1, < 1.5.0-beta.9",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
X-Forwarded-Forheader/sign-in/emailRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307
IP-bearing headerheader/sign-in/emailRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307
X-Forwarded-Forheader/sign-up/emailRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307
IP-bearing headerheader/sign-up/emailRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307
X-Forwarded-Forheader/forget-passwordRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307
IP-bearing headerheader/forget-passwordRate limiter keyed by exact textual IP address from the client-supplied header allows IPv6 address space to bypass per-address counters and enables multiple encodings to create distinct keys.CWE-307

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