CVE-2026-18954: Incorrect authorization in the aggregation pipeline tool in Amazon AWS Labs DocumentDB MCP Server before 1.0.1
25
Routine
MEDIUM 5.5WATCHLISTUPGRADE
CVE-2026-18954 is a medium-severity flaw (CVSS 5.5) affecting documentdb mcp server. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 this priority
- On your watchlist
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.5 (Medium) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 95%) |
| CISA exploited list | No |
| Weakness | CWE-863 |
| Published | 2026-08-05 |
| Last modified | 2026-10-23 |
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
amazon documentdb mcp server UPGRADE
Affected: < 1.0.12
Fixed in: 1.0.12
Safe to downgrade to: no unaffected older release
1. Check installed version
pip show documentdb-mcp-server
2. UPGRADE to 1.0.12
pip install --upgrade "documentdb-mcp-server>=1.0.12"
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.