Authorization Bypass Through User-Controlled Key Affecting strands-agents-tools package, versions [,0.8.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.37% (30th percentile)

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  • Snyk IDSNYK-PYTHON-STRANDSAGENTSTOOLS-18592366
  • published8 Aug 2026
  • disclosed6 Aug 2026
  • creditUnknown

Introduced: 6 Aug 2026

NewCVE-2026-19111  (opens in a new tab)
CWE-639  (opens in a new tab)

How to fix?

Upgrade strands-agents-tools to version 0.8.3 or higher.

Overview

strands-agents-tools is an A collection of specialized tools for Strands Agents

Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the namespace parameter in the mongodb_memory, elasticsearch_memory, and mem0_memory tools. An attacker can access, modify, or delete data belonging to other tenants by influencing the LLM to emit tool calls with a forged namespace parameter.

CVSS Base Scores

version 4.0
version 3.1