CVE-2026-115419 - Unintended disclosure of data element to wrong session in Strands Agents SDK A2A Server
CVE-2026-115419
Summary
Bulletin ID: 2026-147-AWS
Scope: AWS
Content Type: Important (requires attention)
Publication Date: 10/22/2026 13:30 PM PDT
Description:
aws-c-mqtt is a C99 implementation of the MQTT 3.1.1 and MQTT5 specifications, distributed as part of the AWS Common Runtime (CRT) and bundled in the AWS IoT Device SDK for C++ v2. We identified CVE-2026-115417, a memory allocation with excessive size value (CWE-789) in the library's MQTT 3.1.1 compatibility adapter. Under certain conditions, a remote actor could cause a denial of service of the client process.
Impacted versions: >= 0.9.1 AND < 0.16.2
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Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
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CVEs in this advisory 1
Updates
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