CVE-2026-113598: Modoboa before 2.8.0 IDOR via API v2 alarms bulk_delete

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-20 · updated 2026-10-21
Weakness: CWE-639

Description

Modoboa before 2.8.0 contains an insecure direct object reference vulnerability that allows authenticated users to delete alarms of other domains via the POST /api/v2/alarms/bulk_delete/ action. Attackers can enumerate sequential alarm IDs to delete DNS, MX and blocklist monitoring alarms server-wide, hiding problems from responsible administrators.

Affected products

modoboa/modoboa: before 2.8.0 — fixed in 2.8.0

How to fix

Upgrade to a fixed version: modoboa/modoboa 2.8.0. Check the vendor advisory for mitigations.

References

https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/admin/api/v2/viewsets.py
https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c38d
https://github.com/modoboa/modoboa/issues/3945
https://github.com/modoboa/modoboa/releases/tag/2.8.0
https://www.vulncheck.com/advisories/modoboa-before-2.8.0-idor-via-api-v2-alarms-bulk-delete

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