Incorrect authorization in AWS documentdb-mcp-server
Priority LOW 25CWE-863Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- Present
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · High · None
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-863.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00158 5th percentileScored 2026-11-07
Fix Fixed documentdb-mcp-server (AWS): 1.0.12
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA documentdb-mcp-server (AWS) Fixed in 1.0.12
Timeline
- 2026-10-02 Threatist record created from CVE-2026-18954
- 2026-10-03 Alias added: GHSA-w95p-h69m-853r
References
Sources
- CVE-2026-18954 · CVE Program
- CVE-2026-18954 · NVD
- FIRST EPSS
- GHSA-w95p-h69m-853r · GitHub Advisory Database · CC BY 4.0
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