Vulnerability record · CVE-2026-56780 · published 29 June 2026

CVE-2026-56780: Insecure direct object reference vulnerability

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 bypass object-level access controls to reset superadmin passwords and achieve full account takeover.

7.7 CVSS 4.0 High EPSS 0.46% · top 63.1% CWE-639 · Insecure direct object reference Deferred

7.7CVSS 4.0 base score

0.46%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

1 Jul 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/modoboa/modoboa/commit/a1878c4920a6e47c3217c6ff1ed4a8753c202661
https://github.com/modoboa/modoboa/pull/4038
https://www.vulncheck.com/advisories/modoboa-insecure-direct-object-reference-in-account-password-change-api

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Related vulnerabilities

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

8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed23 Jun 2026

Source: NIST National Vulnerability Database (record CVE-2026-56780), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.