CVE-2026-113599
MEDIUM
CVSS 5.4
Published: 2026-10-20
Modified: 2026-10-20
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Threat Intelligence Pending
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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.
Quick Facts
| CVE ID | CVE-2026-113599 |
| CVSS Score | 5.4 |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L |
| Published | 2026-10-20 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |