Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server before 1.0.12 might allow an authenticated MCP client to perform inappropriate write operations on the connected database via write-capable aggregation pipeline stages that bypass the read-only mode enforcement logic.



To remediate this issue, users should upgrade to version 1.0.12 or later.

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Attack Requirements Present

User Interaction None

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact High

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00099.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
AWS documentdb-mcp-server unaffected
Version Status Constraints
0 affected < 1.0.12

No data.

No data.

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Project Subscriptions

Vendors Products
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Documentdb-mcp-server Subscribe
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://aws.amazon.com/security/security-bulletins/2026-076-aws/ cve-icon
https://github.com/awslabs/mcp/releases/tag/2026.04.20260408085348 cve-icon
https://github.com/awslabs/mcp/security/advisories/GHSA-j694-4m5j-w8hc cve-icon
History

Thu, 06 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 06 Aug 2026 14:00:00 +0000

Type Values Removed Values Added
References

Wed, 05 Aug 2026 20:15:00 +0000

Type Values Removed Values Added
Description Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server before 1.0.12 might allow an authenticated MCP client to perform inappropriate write operations on the connected database via write-capable aggregation pipeline stages that bypass the read-only mode enforcement logic. To remediate this issue, users should upgrade to version 1.0.12 or later.
Title Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server
First Time appeared Aws
Aws documentdb-mcp-server
Weaknesses CWE-863
CPEs cpe:2.3:a:aws:documentdb-mcp-server:*:*:*:*:*:*:*:*
Vendors & Products Aws
Aws documentdb-mcp-server
References
Metrics cvssV3_1

{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 5.7, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: AMZN

Published:

Updated: 2026-08-06T13:33:02.167Z

Reserved: 2026-08-05T13:45:00.654Z

Link: CVE-2026-18954

cve-icon Vulnrichment

Updated: 2026-08-06T13:11:49.469Z

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-05T21:45:04Z

Weaknesses