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    CVE-2026-29856

    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.

    Published:Mar 18, 2026
    Last Modified:Mar 24, 2026
    EPS:Mar 18, 2026
    EPSS Score:0.00049
    CVSS Score:7.5

    Affected Products

    Vendor
    Aapanel
    Product
    Aapanel

    Exploits

    https://github.com/mbiesiad/vulnerability-research/tree/main/CVE-2026-29856

    Related CVEs

    CVE-2026-29858 (CVSS 7.5) — A lack of path validation in aaPanel v7.57.0 allows attackers to execute a local file inclusion (LFI), leading…
    CVE-2026-29859 (CVSS 9.8) — An arbitrary file upload vulnerability in aaPanel v7.57.0 allows attackers to execute arbitrary code via uploa…
    CVE-2024-42922 (CVSS 6.5) — AAPanel v7.0.7 was discovered to contain an OS command injection vulnerability.…
    CVE-2022-26252 (CVSS 6.5) — aaPanel v6.8.21 was discovered to be vulnerable to directory traversal. This vulnerability allows attackers to…
    CVE-2021-37840 (CVSS 8.8) — aaPanel through 6.8.12 allows Cross-Site WebSocket Hijacking (CSWH) involving OS commands within WebSocket mes…
    CVE-2020-14950 (CVSS 8.8) — aaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via shell metacharacters…
    CVE-2020-14421 (CVSS 7.2) — aaPanel through 6.6.6 allows remote authenticated users to execute arbitrary commands via the Script Content b…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High