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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://aws.amazon.com/security/security-bulletins/2026-076-aws/ Vendor Advisory
- https://github.com/awslabs/mcp/security/advisories/GHSA-j694-4m5j-w8hc Vendor Advisory
Vendor advisories in the News 1
- CVE-2026-18954 - Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server AWS Security Bulletins · 2026-10-21
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.7 · amazonNVD modified 2026-10-23 21:10
Affected (CPE criteria) 1
cpe:2.3:a:amazon:documentdb_mcp_server:*:*:*:*:*:python:*:*