CVE-2026-110723 - API Gateway ClientIpKeyResolver Rate-Limit Bypass Vulnerability

CVE-2026-110723 - API Gateway ClientIpKeyResolver Rate-Limit Bypass Vulnerability

https://cvefeed.io/rssfeed/latest.atom / Thu, 10/15/2026 - 16:52
CVE ID :CVE-2026-110723
Published : Oct. 15, 2026, 1:17 p.m. | 31 minutes ago
Description :In `api-gateway` versions till `1.7.3`, The default rate-limit key resolver, `ClientIpKeyResolver`, derives the per-client bucket key from the leftmost element of the `X-Forwarded-For` request header. That element is supplied by the originating HTTP client and is not validated against any trusted-proxy list. A single attacker can therefore obtain an unlimited number of independent rate-limit buckets — one per unique header value — and completely bypass the gateway's request-rate limiting on every route that uses the shipped default configuration.
Severity: 0.0 | NA
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