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Vulnerability record · CVE-2026-29856 · published 18 March 2026

CVE-2026-29856: Aapanel uncontrolled resource consumption vulnerability

Aapanel · Aapanel

An issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cause a Regular Expression Denial of Service (ReDoS) via a crafted input.

7.5 CVSS 3.1 High EPSS 0.52% · top 58.1% CWE-400 · Uncontrolled resource consumption
7.5CVSS 3.1 base score
0.52%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 issue in the VirtualHost configuration handling/parser component of aaPanel v7.57.0 allows attackers to cause a Regular Expression Denial of Service (ReDoS) via a crafted input.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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-2026-29856 ExploitThird Party Advisory

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Related vulnerabilities

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

9.8CVE-2026-29859Aapanel cross-site scripting vulnerabilityAn arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploading a crafted file.EPSS 0.78%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-2026-29858Aapanel 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%7.5CVE-2026-28318SolarWinds Serv-U unauthenticated POST request denial of serviceSolarWinds Serv-U crashes when it receives a specially crafted POST request using Content-Encoding: deflate, and the crash occurs without authenticat…KEVEPSS 1.9%analysed

Source: NIST National Vulnerability Database (record CVE-2026-29856), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.