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    CVE-2026-27602

    Modoboa is a mail hosting and management platform. Prior to version 2.7.1, `exec_cmd()` in `modoboa/lib/sysutils.py` always runs subprocess calls with `shell=True`. Since domain names flow directly into shell command strings without any sanitization, a Reseller or SuperAdmin can include shell metacharacters in a domain name to run arbitrary OS commands on the server. Version 2.7.1 patches the issue.

    Published:Mar 25, 2026
    Last Modified:Mar 27, 2026
    EPS:Mar 25, 2026
    EPSS Score:0.00041
    CVSS Score:7.2

    Affected Products

    Vendor
    Modoboa
    Product
    Modoboa

    Exploits

    https://github.com/modoboa/modoboa/security/advisories/GHSA-wwv8-cqpr-vx3mhttps://github.com/modoboa/modoboa/security/advisories/GHSA-wwv8-cqpr-vx3m

    Related CVEs

    CVE-2026-56780 (CVSS 7.7) — Modoboa before 2.9.0 contains an insecure direct object reference vulnerability in the PUT /api/v1/accounts/{p…
    CVE-2023-5690 (CVSS 8.8) — Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.2.2.…
    CVE-2023-5689 (CVSS 5.4) — Cross-site Scripting (XSS) - DOM in GitHub repository modoboa/modoboa prior to 2.2.2.…
    CVE-2023-5688 (CVSS 5.4) — Cross-site Scripting (XSS) - DOM in GitHub repository modoboa/modoboa prior to 2.2.2.…
    CVE-2023-2227 (CVSS 9.1) — Improper Authorization in GitHub repository modoboa/modoboa prior to 2.1.0.…
    CVE-2023-2228 (CVSS 6.8) — Cross-Site Request Forgery (CSRF) in GitHub repository modoboa/modoboa prior to 2.1.0.…
    CVE-2023-2160 (CVSS 6.3) — Weak Password Requirements in GitHub repository modoboa/modoboa prior to 2.1.0. …
    CVE-2023-0949 (CVSS 4.8) — Cross-site Scripting (XSS) - Reflected in GitHub repository modoboa/modoboa prior to 2.0.5.…
    CVE-2023-0777 (CVSS 9.8) — Authentication Bypass by Primary Weakness in GitHub repository modoboa/modoboa prior to 2.0.4.…
    CVE-2023-0519 (CVSS 5.4) — Cross-site Scripting (XSS) - Stored in GitHub repository modoboa/modoboa prior to 2.0.4.…

    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