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Vulnerability record · CVE-2026-29859 · published 18 March 2026

CVE-2026-29859: Aapanel cross-site scripting vulnerability

Aapanel · Aapanel

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

9.8 CVSS 3.1 Critical EPSS 0.78% · top 46.0% CWE-79 · Cross-site scriptingCWE-434 · Unrestricted file upload
9.8CVSS 3.1 base score
0.78%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

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

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/aapanel/aapanel Product
https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29859 ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2021-37840Aapanel vulnerabilityaaPanel through 6.8.12 allows Cross-Site WebSocket Hijacking (CSWH) involving OS commands within WebSocket messages at a ws:// URL for /webssh (the v…EPSS 1.7%8.8CVE-2020-14950Aapanel os command injection vulnerabilityaaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via shell metacharacters in a modified /system?action=ServiceAd…EPSS 2.6%7.5CVE-2026-29856Aapanel uncontrolled resource consumption vulnerabilityAn issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cause a Regular Expression Denial of Servi…EPSS 0.52%7.5CVE-2026-29858Aapanel php remote file inclusion vulnerabilityA lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file inclusion (LFI), leadingot sensitive information exposure.EPSS 0.43%7.2CVE-2020-14421Aapanel argument injection vulnerabilityaaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via the Script Content box on the Add Cron Job screen.EPSS 6.0%6.5CVE-2024-42922Aapanel os command injection vulnerabilityAAPanel v7.0.7 was discovered to contain an OS command injection vulnerability.EPSS 0.88%6.5CVE-2022-26252Aapanel path traversal vulnerabilityaaPanel v6.8.21 was discovered to be vulnerable to directory traversal. This vulnerability allows attackers to obtain the root user private SSH key(i…EPSS 1.8%6.1CVE-2026-42897Microsoft Exchange Server XSS enables spoofingMicrosoft Exchange Server and Exchange Server Subscription Edition fail to neutralize input during web page generation, a cross-site scripting flaw (…KEVEPSS 0.52%analysed

Source: NIST National Vulnerability Database (record CVE-2026-29859), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.