What is CVE-2026-85788?

CVE-2026-85788 is a medium-severity vulnerability in AWS Labs MySQL Mcp Server, classified under Incomplete List of Disallowed Inputs. CVSS score: 5.5/10. Published 2026-09-09.

How severe is CVE-2026-85788?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in AWS Labs MySQL Mcp Server

CVE-2026-85788

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 v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Aws Labs Mysql Mcp Server

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

ff89ba41-3aa1-4d27-914a-91399e9639e5 (vendor-advisory)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (patch)
ff89ba41-3aa1-4d27-914a-91399e9639e5 (third-party-advisory)

Frequently asked questions

What is CVE-2026-85788?: CVE-2026-85788 is a medium-severity vulnerability in AWS Labs MySQL Mcp Server, classified under Incomplete List of Disallowed Inputs. CVSS score: 5.5/10. Published 2026-09-09.
How severe is CVE-2026-85788?: Medium severity. CVSS v3 base score is 5.5 out of 10.