What is CVE-2026-56780?

CVE-2026-56780 is a high-severity vulnerability in Modoboa, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-29.

How severe is CVE-2026-56780?

High severity. CVSS v3 base score is 7.5 out of 10.

Auth bypass in Modoboa

CVE-2026-56780

Modoboa before 2.9.0 contains an insecure direct object reference vulnerability in the PUT /api/v1/accounts/{pk}/password/ endpoint that allows domain administrators to change any user's password. Attackers with domain admin privileges can…

Vulnerability class: IDOR (Insecure Direct Object Reference)

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Modoboa — versions 0, 2.9.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

disclosure@vulncheck.com (patch)
disclosure@vulncheck.com (issue-tracking)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-56780?: CVE-2026-56780 is a high-severity vulnerability in Modoboa, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 7.5/10. Published 2026-06-29.
How severe is CVE-2026-56780?: High severity. CVSS v3 base score is 7.5 out of 10.