Incorrect access control in the portal messaging system in Odoo Community 9.0 and 10.0 and Odoo Enterprise 9.0 and 10.0 allows remote attackers to post messages on behalf of customers, and to guess document attribute values, via crafted parameters.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
1.4% chance of exploitation in the next 30 days; higher than 72% of CVEs (scores of 2026-10-31)