CVE-2026-15738 — Cross-namespace traffic interception via incorrect route precedence ordering in AWS Load Balancer Controller
Incorrect behavior order in the Gateway API listener-rule generation in Amazon AWS Load Balancer Controller before 3.4.2 might allow an authenticated remote user to intercept, s…
Published: 2026-07-14 · CVSS: 5.8 · CVSS 4.0
Incorrect behavior order in the Gateway API listener-rule generation in Amazon AWS Load Balancer Controller before 3.4.2 might allow an authenticated remote user to intercept, spoof, or deny another namespace's gRPC traffic on a shared Gateway via a crafted HTTPRoute resource. To mitigate this issue, users should upgrade to version 3.4.2.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7