EUVD-2026-12921

| CVE-2026-29859 CRITICAL
2026-03-18 mitre
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 18, 2026 - 18:00 vuln.today
EUVD ID Assigned
Mar 18, 2026 - 18:00 euvd
EUVD-2026-12921
CVE Published
Mar 18, 2026 - 00:00 nvd
CRITICAL 9.8

Tags

XSS RCE File Upload

Description

An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.

Analysis

aaPanel v7.57.0 contains an arbitrary file upload vulnerability that allows unauthenticated or low-privileged attackers to upload malicious files and achieve remote code execution on affected systems. The vulnerability exists in the file upload functionality of the web-based server management panel, enabling attackers to bypass file type validation and execute arbitrary code with the privileges of the aaPanel process. …

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Remediation

Within 24 hours: Identify all affected systems running aaPanel and apply vendor patches immediately. Verify anti-CSRF tokens and content security policies are enforced.

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Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +49
POC: 0

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EUVD-2026-12921 vulnerability details – vuln.today
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