Vulnerability 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.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/modoboa/modoboa/blob/2.7.2/modoboa/autoreply/api/v2/serialize
- https://github.com/modoboa/modoboa/commit/e0a4e3b9ee8ad84dba46e4c0f04cbbe7cf78c3
- 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-armess
FAQ
What is CVE-2026-113599?
CVE-2026-113599 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 v...
How severe is CVE-2026-113599?
CVE-2026-113599 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-113599?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.