Oct 9, 2026
AWS WAF Vulnerabilities Exposed: CVE-2026-13762 and CVE-2026-13763
Recent vulnerabilities identified in AWS Web Application Firewall (WAF) have raised significant concerns among users and security professionals. The vulnerabilities, cataloged as CVE-2026-13762 and CVE-2026-13763, pertain to the inspection of multi-frame request bodies in HTTP/2. This issue could potentially allow attackers to bypass security measures, making it crucial for organizations utilizing AWS WAF to be aware of the risks involved.
What changed
The vulnerabilities affect a broad range of AWS WAF users, particularly those relying on the service for web application protection against various threats. With the increasing adoption of HTTP/2 for its performance benefits, the implications of these vulnerabilities could be extensive, affecting the overall security posture of applications deployed on AWS.
Who is affected
Organizations that depend on AWS WAF must take immediate action to evaluate their configurations and ensure that they are not inadvertently exposing their applications to risks associated with these vulnerabilities. This includes reviewing their security policies and potentially implementing additional layers of security to mitigate the risks until a patch or update is available.
What it means
As cloud services continue to evolve, the discovery of such vulnerabilities highlights the importance of continuous monitoring and incident response planning. Companies must remain vigilant in maintaining their security measures and adapting to emerging threats in the cloud landscape. The AWS community is encouraged to stay updated on any announcements regarding fixes or workarounds for these vulnerabilities to safeguard their applications effectively.