CVE-2026-19111
Published:August 06, 2026
Updated:September 01, 2026
Insecure direct object reference in the mongodb_memory, elasticsearch_memory, and mem0_memory tools in Amazon Strands Agents Tools before 0.8.3 might allow remote authenticated users to access, modify, or delete memories belonging to other tenants by influencing the LLM to emit tool calls with a forged namespace parameter.
To remediate this issue, users should upgrade to version 0.8.3.
Affected Packages
strands-agents-tools (CONDA):
Affected version(s) >=0.1.5 <0.8.3Fix Suggestion:
Update to version 0.8.3https://github.com/strands-agents/tools.git (GITHUB):
Affected version(s) >=v0.1.0 <v0.8.3Fix Suggestion:
Update to version v0.8.3strands-agents-tools (PYTHON):
Affected version(s) >=0.0.1 <0.8.3Fix Suggestion:
Update to version 0.8.3Related Resources (5)
Do you need more information?
Contact UsCVSS v4
Base Score:
8.6
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.1
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
NONE
Weakness Type (CWE)
Authorization Bypass Through User-Controlled Key
EPSS
Base Score:
0.37