High 8.1Published Aug 6, 2026

CVE-2026-19111Insecure direct object reference in Strands Agents Tools memory tool namespace isolation

Updated under an hour ago (2026-10-19 10:23 UTC)

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It affects AWS strands-agents-tools. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 8.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMZN
NVD analysis: Awaiting Analysis
Record last updated: Aug 7, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AWS strands-agents-tools aws:strands_agents_tools (from the name)	before 0.8.3	CNA record

References

https://pypi.org/project/strands-agents-tools/0.8.3/release-notes, patch
https://aws.amazon.com/security/security-bulletins/2026-077-aws/vendor-advisory
https://github.com/strands-agents/tools/security/advisories/GHSA-mpxq-953j-42m4release-notes

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.