CVE-2026-29859
Published: 18 March 2026
Description
An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.
Mitigating Controls (NIST 800-53 r5)AI
Directly validates uploaded files to reject crafted malicious inputs, preventing arbitrary file uploads that lead to code execution in aaPanel.
Remediates the specific arbitrary file upload flaw in aaPanel v7.57.0 by applying vendor patches from the GitHub repository.
Scans uploaded files for malicious code at entry points, blocking or eradicating crafted executables before they can be executed.
Security SummaryAI
CVE-2026-29859 is an arbitrary file upload vulnerability in aaPanel version 7.57.0 that enables attackers to execute arbitrary code by uploading a crafted file. Published on 2026-03-18T18:16:27.347, it carries a CVSS v3.1 base score of 9.8 (AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) and maps to CWE-79 and CWE-434.
The vulnerability can be exploited by remote attackers with no required privileges or user interaction, accessible over the network with low attack complexity and no change in scope. Successful exploitation allows high-impact compromise of confidentiality, integrity, and availability through arbitrary code execution on the affected aaPanel instance.
Details on advisories, patches, and further technical analysis are available in the aaPanel GitHub repository at https://github.com/aapanel/aapanel and the vulnerability research repository at https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29859.
Details
- CWE(s)
Affected Products
MITRE ATT&CK Enterprise TechniquesAI
Why these techniques?
Arbitrary file upload vulnerability in public-facing web application (aaPanel) enables remote unauthenticated code execution, directly facilitating T1190: Exploit Public-Facing Application.