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

> CVE-2026-19111: Insecure direct object reference in Strands Agents Tools memory tool namespace isolation. CVSS 8.1 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-19111
Last updated: 2026-10-23T21:10:00Z

- Published: 2026-08-06 18:03 UTC · Updated: 2026-10-23 21:10 UTC · Assigner: AMZN
- CVSS: 8.1 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
- EPSS: 0.52%, 44th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-639

## 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.

## Affected vendors and products

- AWS: strands-agents-tools

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-19111)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-19111)
- [https://aws.amazon.com/security/security-bulletins/2026-077-aws/](https://aws.amazon.com/security/security-bulletins/2026-077-aws/)
- [https://github.com/strands-agents/tools/security/advisories/GHSA-mpxq-953j-42m4](https://github.com/strands-agents/tools/security/advisories/GHSA-mpxq-953j-42m4)
- [https://pypi.org/project/strands-agents-tools/0.8.3/](https://pypi.org/project/strands-agents-tools/0.8.3/)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-19111 · Markdown: https://rewindex.com/cve/CVE-2026-19111.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-19111 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:11:46.513Z