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CVE-2026-15738: aws-load-balancer-controller 0 to before 3.4.2
CVE-2026-15738. CVSS 3.1 base score 8.5 (HIGH, Source advisory). EPSS 0.00647 (percentile 0.50436), scored 24-Oct-2026.
Affected technology
aws-load-balancer-controller · 0 to before 3.4.2
Amazon
Description’s affected range: before 3.4.2 might
Component: Not specified by the source
Attack conditions (Source advisory, CVSS 4.0): Network (remote) · Low privileges required · No user interaction required
What an attacker can do
An authenticated remote user might intercept, spoof, or deny another namespace's gRPC traffic on a shared Gateway via a crafted HTTPRoute resource. Source advisory’s CVSS 4.0 assessment (base score 5.8/10) rates confidentiality, integrity and availability impact as none.
- CWE
- CWE-653
- CCR priority
- 34.2 /100 (P4)
- CVSS 3.1
- 8.5 /10 · CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H · Source advisory
- EPSS
- 0.00647 · percentile 0.50436 · 2026-10-24
- KEV
- no
Provenance
- NVD CVE API 2.0 · Source record · observed 2026-10-25 01:28:19.133527+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-15738.html