CVE-2026-15738EPSS p49.2%
CVE-2026-15738CVE-2026-15738
Description
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.
Scoring
| CVSS | 8.5 () |
| Vector | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H |
| EPSS | 0.65% probability of exploitation · percentile 49.2% · 2026-10-05T12:00:23Z |
| Last modified | 2026-07-15 |