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CVE-2026-19111

Insecure direct object reference in Strands Agents Tools memory tool namespace isolation

Published: Aug 6, 2026Updated: Aug 7, 2026 Sources: CVE List NVDCWE-639
8.1HIGH
NVD MITRE
EPSS Score
0.4%
Top 70.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available
Self-Check
Not available

Description

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-639

Affected Products

AWS
commercial·US
strands-agents-toolsMixed
Cloud & SaaS / cloud-platform

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://pypi.org/project/strands-agents-tools/0.8.3/
pypi.org
https://aws.amazon.com/security/security-bulletins/2026-077-aws/
aws.amazon.com
https://github.com/strands-agents/tools/security/advisories/GHSA-mpxq-953j-42m4
github.com

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