CVE-2026-113505 aaPanel CVE debrief

Who should care

Defenders responsible for aaPanel installations, particularly those using versions up to 8.25.0, should assess exposure and prioritize verification of file download request authenticity. This includes reviewing the configuration and maintenance of aaPanel installations, as well as ensuring proper monitoring and incident response plans are in place. Additionally, defenders should be aware of the potential for local file inclusion and take steps to restrict

Why it matters

Defenders should care about this vulnerability as it allows remote attackers to potentially access sensitive files, and exploitation requires authentication.

• Potential unauthorized access to sensitive files
• Possible exploitation requires authentication

Technical summary

The `send_file` function in `v2.py` of aaPanel's Download Endpoint is vulnerable to path traversal attacks, allowing remote attackers to manipulate the filename argument. This could potentially lead to local file inclusion. The vendor confirms that the reported RCE and LFI vulnerabilities require authentication. Defenders should prioritize verifying the authenticity of file download requests and restrict access to sensitive files. The vulnerability is in the Download Endpoint, specifically in the `send_file` function of `v2.py`.

Defensive priority

Defenders should prioritize verifying the authenticity of file download requests and restrict access to sensitive files.

Recommended defensive actions

• Verify the authenticity of file download requests
• Restrict access to sensitive files
• Monitor for suspicious activity
• Implement additional logging and monitoring
• Conduct regular security audits
• Review and update incident response plans
• Ensure proper configuration and maintenance of aaPanel installations

Evidence notes

The CVE record and source item provide details on the vulnerability, including its description, affected versions, and references to additional information. The vulnerability has been publicly disclosed and may be used by attackers. The vendor confirms that the reported RCE and LFI vulnerabilities require authentication. There are no known exploits, but defenders should verify the authenticity of file download requests and restrict access to sensitive files.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.