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

> CVE-2026-85788: Incomplete list of disallowed inputs in awslabs mysql-mcp-server. CVSS 5.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-85788
Last updated: 2026-09-09T20:13:26Z

- Published: 2026-09-09 16:24 UTC · Updated: 2026-09-09 20:13 UTC · Assigner: AMZN
- CVSS: 5.5 (CVSS 3.1) · Severity: Medium · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
- EPSS: 0.18%, 8th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-184

## Description

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.

## Affected vendors and products

- AWS: AWS Labs MySQL MCP Server

## Tracked companies

- [Amazon Web Services](https://rewindex.com/company/aws.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-85788)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-85788)
- [https://aws.amazon.com/security/security-bulletins/2026-103-aws/](https://aws.amazon.com/security/security-bulletins/2026-103-aws/)
- [https://github.com/awslabs/mcp/releases?page=2\#release-2026.07.20260702161703](https://github.com/awslabs/mcp/releases?page=2#release-2026.07.20260702161703)
- [https://github.com/awslabs/mcp/security/advisories/GHSA-x25m-ph3m-3r9q](https://github.com/awslabs/mcp/security/advisories/GHSA-x25m-ph3m-3r9q)

---

_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


---
Canonical: https://rewindex.com/cve/CVE-2026-85788 · Markdown: https://rewindex.com/cve/CVE-2026-85788.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-85788 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T03:13:34.594Z