CVE-2025-66336 Apache Doris MCP Server: SQL injection leading the authentication bypass
An attacker can exploit SQL injection in Apache Doris MCP Server to bypass authentication and access unauthorized metadata.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-66336?
CVE-2025-66336 is a high-severity SQL injection vulnerability in Apache Doris MCP Server, published on 22 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Apache Doris MCP Server contains a SQL injection vulnerability in a metadata query path. A user-controlled database name is directly interpolated into a SQL query, and the query is executed without passing the caller's authorization context. This may allow an authenticated attacker, or an anonymous attacker if authentication is disabled, to bypass SQL security validation and access metadata outside the intended database scope.
Affected users are recommended to upgrade to Doris version 0.6.1 or later, which fixes the issue.
Weakness: CWE-89
Which versions are affected by CVE-2025-66336?
3 open source packages ship an affected version, including doris-mcp-server. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
doris-mcp-server PyPI | All versions | 0.6.1 |
doris-mcp-server PyPI | All versions | 0.6.1 |
doris-mcp-server PyPI | All versions | 0.6.1 |
Products include Apache Doris Mcp Server.
How do I fix CVE-2025-66336?
Upgrade doris-mcp-server to 0.6.1 or later.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2025-66336 being exploited?
There is no known exploitation of CVE-2025-66336 in the wild and no public exploit code.
Other vulnerabilities in Apache Doris MCP Server
Sources
Also known as GHSA-pqrj-4gwg-h5f7, PYSEC-2026-4048.