Description
Modoboa before 2.8.0 contains an insecure direct object reference vulnerability that allows authenticated users to create auto-reply messages for arbitrary mailboxes by supplying another user's mbox value. Attackers can POST to /api/v2/armessages/ to inject attacker-controlled auto-reply subject and content into victims' settings or break their auto-reply management via MultipleObjectsReturned errors.
Published: 2026-10-20
Score: 5.3 Medium
EPSS: n/a
KEV: No
AI Analysis

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Remediation

No solution or workaround provided in the CVE record.

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Tracking

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Advisories

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History

Tue, 20 Oct 2026 17:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 20 Oct 2026 15:45:00 +0000

Type Values Removed Values Added
Description Modoboa before 2.8.0 contains an insecure direct object reference vulnerability that allows authenticated users to create auto-reply messages for arbitrary mailboxes by supplying another user's mbox value. Attackers can POST to /api/v2/armessages/ to inject attacker-controlled auto-reply subject and content into victims' settings or break their auto-reply management via MultipleObjectsReturned errors.
Title Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creation
First Time appeared Modoboa
Modoboa modoboa
Weaknesses CWE-639
CPEs cpe:2.3:a:modoboa:modoboa:*:*:*:*:*:*:*:*
Vendors & Products Modoboa
Modoboa modoboa
References
Metrics cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-20T16:19:21.574Z

Reserved: 2026-10-20T11:48:47.917Z

Link: CVE-2026-113599

cve-icon Vulnrichment

Updated: 2026-10-20T16:19:17.049Z

cve-icon NVD

Status : Received

Published: 2026-10-20T16:17:09.063

Modified: 2026-10-20T17:17:34.823

Link: CVE-2026-113599

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T17:30:13Z

Weaknesses
  • CWE-639

    Authorization Bypass Through User-Controlled Key