Auth bypass in 10up Distributor
CVE-2026-111631
Distributor before 2.3.2 contains a missing authorization vulnerability that allows Contributor-level users to invoke external connection AJAX actions intended for manage_options users. Attackers can call dt_verify_external_connection with a chosen endpointId and url to send stored connection credentials to attacker-controlled servers, or abuse dt_begin_authorization to create connections.
Vulnerability class: Broken Access Control
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- GitHub Security Advisory (GHSA-pxgv-j98h-3xhw) (vendor-advisory)
- github.com/10up/distributor/blob/2.3.1/includes/external-connection-cpt.php (technical-description)
- github.com/10up/distributor/blob/2.3.1/includes/external-connection-cpt.php (technical-description)
- github.com/10up/distributor/commit/71542b924fdd446a4183f32b928388d286ae5bb3 (patch)
- Distributor 2.3.2 Release Notes (release-notes)
- VulnCheck Advisory: Distributor before 2.3.2 Missing Authorization in External Connection AJAX Actions (third-party-advisory)
Frequently asked questions
- What is CVE-2026-111631?
- CVE-2026-111631 is a medium-severity vulnerability in 10up Distributor, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-16.
- How severe is CVE-2026-111631?
- Medium severity. CVSS v3 base score is 5.4 out of 10.