CVE-2026-15738
Last modified
CVE-2026-15738 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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.. EPSS estimates a 0.37% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| Amazon | aws-load-balancer-controller | < 3.4.2 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
Frequently Asked Questions
What is CVE-2026-15738?
How severe is CVE-2026-15738?
How do I fix CVE-2026-15738?
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2026
- CVE-2026-15732A Server-Side Request Forgery (SSFR) vulnerability exist in …9.8
- CVE-2026-15733A Remote Code Execution (RCE) vulnerability exist in WGDashb…9.8
- CVE-2026-15734A Server-Side Template Injection (SSTI) vulnerability in WGD…9.8
- CVE-2026-15735The Contact Form to Any API plugin for WordPress is vulnerab…6.4
- CVE-2026-15736Snowflake SQLAlchemy versions prior to 1.11.0 contain severa…8.3
- CVE-2026-15737AWS Bedrock AgentCore Python SDK is an open-source Python li…5.7
- CVE-2026-15739The Rich Showcase for Google Reviews plugin for WordPress is…6.4
- CVE-2026-1574The MyQtip – easy qTip2 plugin for WordPress is vulnerable t…6.4
- CVE-2026-15746Strands Agents is an open-source Python SDK for building and…6.9
- CVE-2026-15747Mojolicious versions from 4.59 before 9.48 for Perl expose a…9.1
- CVE-2026-15749A security flaw has been discovered in mastergo-design maste…5.3
- CVE-2026-1575The Schema Shortcode plugin for WordPress is vulnerable to S…6.4
Are you affected by CVE-2026-15738?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST