MySQL MCP Server up to 0.4.1 SSE Transport server.py cursor.execute Query dns rebinding

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k2.46+

Summaryinfo

A vulnerability labeled as critical has been found in MySQL MCP Server up to 0.4.1. The impacted element is the function cursor.execute of the file src/mysql_mcp_server/server.py of the component SSE Transport. The manipulation of the argument Query results in dns rebinding. This vulnerability is cataloged as CVE-2026-59971. The attack may be launched remotely. There is no exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in MySQL MCP Server up to 0.4.1. Affected is the function cursor.execute of the file src/mysql_mcp_server/server.py of the component SSE Transport. The manipulation of the argument query with an unknown input leads to a dns rebinding vulnerability. CWE is classifying the issue as CWE-350. The product performs reverse DNS resolution on an IP address to obtain the hostname and make a security decision, but it does not properly ensure that the IP address is truly associated with the hostname. This is going to have an impact on confidentiality, integrity, and availability.

This vulnerability is traded as CVE-2026-59971. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1583.002 by the MITRE ATT&CK project.

Upgrading to version 0.4.2 eliminates this vulnerability.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Dns rebinding
CWE: CWE-350
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: MySQL MCP Server 0.4.2

Timelineinfo

09/12/2026 Advisory disclosed
09/12/2026 +0 days VulDB entry created
09/12/2026 +0 days VulDB entry last update

Sourcesinfo

Status: Confirmed

CVE: CVE-2026-59971 (🔒)
GCVE (CVE): GCVE-0-2026-59971
GCVE (VulDB): GCVE-100-403014

Entryinfo

Created: 09/12/2026 02:41
Changes: 09/12/2026 02:41 (53)
Complete: 🔍
Cache ID: 216::103

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