Medium 5.5Published Sep 9, 2026

CVE-2026-85788Incomplete list of disallowed inputs in awslabs mysql-mcp-server

Updated under an hour ago (2026-10-19 07:30 UTC)

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It affects AWS Labs MySQL MCP Server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for AWS Labs MySQL MCP Server

Exploited in the last 30 days

Incomplete list of disallowed inputs in the mutable SQL detector component in Amazon awslabs mysql-mcp-server might allow context-dependent actors to bypass the read-only enforcement gate and reach file-read and file-write SQL sinks via SQL inline comments that the regex engine does not treat as whitespace. To remediate this issue, users should upgrade to version 1.0.23.

CVSS: 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-184
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: AMZN
NVD analysis: Awaiting Analysis
Record last updated: Sep 9, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

AWS AWS Labs MySQL MCP Server aws:labs_mysql_mcp_server (from the name)	through 1.0.21	CNA record

References

https://aws.amazon.com/security/security-bulletins/2026-103-aws/vendor-advisory
https://github.com/awslabs/mcp/releases?page=2#release-2026.07.20260702161703patch
https://github.com/awslabs/mcp/security/advisories/GHSA-x25m-ph3m-3r9qthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.