CVE-2026-18954
Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server
CVSS Score
5.5
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-863 |
| Vendor | aws |
| Product | documentdb-mcp-server |
| Published | Aug 5, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
AWS / documentdb-mcp-server
0 < 1.0.12