CVE-2025-67509: neuron Code Injection — Fix

Description

Neuron is a PHP framework for creating and orchestrating AI Agents. Versions 2.8.11 and below use MySQLSelectTool, which is vulnerable to Read-Only Bypass. MySQLSelectTool is intended to be a read-only SQL tool (e.g., for LLM agent querying, however, validation based on the first keyword (e.g., SELECT) and a forbidden-keyword list does not block file-writing constructs such as INTO OUTFILE / INTO DUMPFILE. As a result, an attacker who can influence the tool input (e.g., via prompt injection through a public agent endpoint) may write arbitrary files to the DB server if the MySQL/MariaDB account has the FILE privilege and server configuration permits writes to a useful location (e.g., a web-accessible directory). This issue is fixed in version 2.8.12.

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CVSS v3.1 Score

8.2

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:N

Weakness Type (CWE)

CWE-94 CWE-94

Affected Products

Vendor	Product	Versions
neuron-ai	neuron	< 2.8.12

References

Advisories & Patches

https://github.com/neuron-core/neuron-ai/commit/72735d0ea133266cf2f5d5d195d41e9dd865289a https://github.com/neuron-core/neuron-ai/security/advisories/GHSA-j8g6-5gqc-mq36

Other References

https://github.com/neuron-core/neuron-ai/releases/tag/2.8.12

Frequently Asked Questions

What is CVE-2025-67509? +

Neuron is a PHP framework for creating and orchestrating AI Agents. Versions 2.8.11 and below use MySQLSelectTool, which is vulnerable to Read-Only Bypass. MySQLSelectTool is intended to be a read-only SQL tool (e.g., for LLM agent querying, however, validation based on the first keyword (e.g., SELECT) and a forbidden-keyword list does not block file-writing constructs such as INTO OUTFILE / INTO DUMPFILE. As a result, an attacker who can influence the tool input (e.g., via prompt injection through a public agent endpoint) may write arbitrary files to the DB server if the MySQL/MariaDB account has the FILE privilege and server configuration permits writes to a useful location (e.g., a web-accessible directory). This issue is fixed in version 2.8.12. It has a CVSS v3.1 base score of 8.2 (HIGH).

How severe is CVE-2025-67509? +

CVE-2025-67509 has a CVSS v3.1 score of 8.2 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-67509? +

CVE-2025-67509 affects products from neuron-ai, specifically: neuron. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-67509? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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