Unverified Ownership Affecting awslabs.security-agent-mcp-server package, versions [,0.2.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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- published24 Oct 2026
- disclosed10 Sept 2026
- creditUnknown
Introduced: 10 Sep 2026
CVE-2026-87913 (opens in a new tab)How to fix?
Upgrade awslabs.security-agent-mcp-server to version 0.2.0 or higher.
Overview
awslabs.security-agent-mcp-server is an An AWS Labs Model Context Protocol (MCP) server for AWS Security Agent — automated security scanning, penetration testing, and remediation
Affected versions of this package are vulnerable to Unverified Ownership via the S3 bucket ownership verification process. An attacker can access sensitive workspace archives, including credentials and infrastructure state, by registering a storage bucket with a name derived from a publicly known account identifier.