Threat Intelligence Database

Bulletin ID: 2026-148-AWS Scope: AWS Content Type: Important (requires attention) Publication Date: 10/23/2026 10:30 AM PDT Description: Amazon Web Services Multi Model Server (MMS) is an open source tool for serving machine learning models for inference. It was published by AWS on GitHub, PyPI, and Docker Hub, and reached end of life; its source repository has been archived and read-only since November 20, 2025. CVE-2026-115812: An issue in model archive extraction could allow a crafted model archive to write files outside the intended directory, potentially resulting in code execution with the privileges of the MMS process. CVE-2026-115813: An issue in the model download path could allow the MMS management interface to be directed to make requests to unintended network destinations. Impacted versions: <=1.1.11 (all released versions) Please refer to the article below for the most up-to-date and complete information related to this AWS Security Bulletin. Read this article

CVE-2026-115813 is a server-side request forgery (SSRF) vulnerability in AWS Multi Model Server version 1.1.11 and earlier. This flaw allows remote attackers to send requests to internal network destinations by exploiting the model download path with a crafted URL. The product is end-of-life with no fixed version available. Users are advised to discontinue use and migrate to supported model serving solutions. The vulnerability has a medium severity with a CVSS score of 5.8.