CVE-2026-113599
Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creation
- State
- Published
- Severity
- 5.3 Medium
- Published
- Oct 20, 2026
- Updated
- Oct 20, 2026
- Reserved
- Oct 20, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | 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 | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L | VulnCheck |
Weaknesses
- CWE-639 Authorization Bypass Through User-Controlled Key
Affected Products
| Product | Versions |
|---|---|
modoboamodoboa |
|
References
- https://github.com/modoboa/modoboa/issues/3945issue-tracking
- https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38dpatch
- modoboa 2.8.0 Release Notesrelease-notes
- https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/autoreply/api/v2/serializers.pytechnical-description
- VulnCheck Advisory: Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creationthird-party-advisory
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