RCE in Modoboa
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 sa…
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.000 (10.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Modoboa — versions < 2.7.1
Weakness classification (CWE)
References
- https://github.com/modoboa/modoboa/security/advisories/GHSA-wwv8-cqpr-vx3m (x_refsource_CONFIRM)
- https://github.com/modoboa/modoboa/commit/27a7aa133d3608fe8c25ae39125d1012c333cbfa (x_refsource_MISC)
- https://github.com/modoboa/modoboa/releases/tag/2.7.1 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-27602?
- CVE-2026-27602 is a high-severity vulnerability in Modoboa, classified under OS Command Injection. CVSS score: 7.2/10. Published 2026-03-25.
- How severe is CVE-2026-27602?
- High severity. CVSS v3 base score is 7.2 out of 10.