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CVE-2026-29859

| EUVD-2026-12921 CRITICAL
Cross-site Scripting (XSS) (CWE-79)
2026-03-18 mitre
XSS RCE File Upload
9.8
CVSS 3.1
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CVSS VectorNVD

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

DescriptionNVD

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

AnalysisAI

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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RemediationAI

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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CVE-2026-29859 vulnerability details – vuln.today
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