CVE-2026-48774

ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. In versions 3.0.0 through 3.0.8, ProxySQL's GenAI/MCP runsqlreadonly tool violates its documented read-only contract for MySQL targets. The tool validates only the full input string with a substring blacklist and first-keyword...

CVE-2026-48773

ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. Versions 2.0.18 through 3.0.8 have a pre-authentication heap memory corruption vulnerability in the MySQL and PostgreSQL protocol first-read paths. A remote unauthenticated client can declare an oversized first packet length, and...

CVE-2026-48774 ProxySQL MCP run_sql_readonly executes side-effecting MySQL multi-statements despite read-only contract

ProxySQL is a proxy for MySQL and its forks, as well as PostgreSQL. In versions 3.0.0 through 3.0.8, ProxySQL's GenAI/MCP runsqlreadonly tool violates its documented read-only contract for MySQL targets. The tool validates only the full input string with a substring blacklist and first-keyword...

CVE-2026-48772

ProxySQL (versions 2.0.0–3.0.8) is vulnerable to a PROXY protocol v1 UNKNOWN frame bypass. The frontend accepts the PROXY UNKNOWN header and, despite the spec requiring ignoring the address fields, ProxySQL parses them via sscanf and writes a spoofed source address into the session, feeding i...

PT-2026-51016

Name of the Vulnerable Software and Affected Versions ProxySQL versions 2.0.18 through 3.0.8 Description ProxySQL contains a pre-authentication heap memory corruption issue within the MySQL and PostgreSQL protocol first-read paths. A remote unauthenticated client can trigger this by declaring an...

PT-2026-51015

Name of the Vulnerable Software and Affected Versions ProxySQL versions 2.0.0 through 3.0.8 Description The MySQL frontend incorrectly processes the PROXY UNKNOWN r PP1 frame of the PROXY protocol v1. According to the specification, when the protocol token is UNKNOWN, the receiver must ignore...