CVE-2026-113599Modoboa before 2.8.0 IDOR via API v2 armessages Auto-Reply Creation
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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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.
- CVSS
- 5.4 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- Weakness (CWE)
- CWE-639
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- VulnCheck
- NVD analysis
- Deferred
- Record last updated
- Oct 20, 2026
- First seen by InfoSec Signals
- Oct 20, 2026
Affected products
modoboa modoboa modoboa:modoboa (from the name) | before 2.8.0 | CNA record |
References
- https://github.com/modoboa/modoboa/issues/3945issue-tracking
- https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38dpatch
- https://github.com/modoboa/modoboa/releases/tag/2.8.0release-notes
- https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/autoreply/api/v2/serializers.pytechnical-description
- https://www.vulncheck.com/advisories/modoboa-before-2.8.0-idor-via-api-v2-armessages-auto-reply-creationthird-party-advisory
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.