Open Redirect in Diem-Project Diem
CVE-2026-112040
A vulnerability was determined in diem-project diem up to 116974edfb9a5b8bd69cb13586dc62bcdbb485ad. This affects an unknown part of the file dmCorePlugin/plugins/dmUserPlugin/modules/dmUser/lib/BasedmUserActions.class.php of the component Sign-In. This manipulation of the argument Referer causes open redirect. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. The project was informed of the problem early through an issue report but has not responded yet.
Vulnerability class: Open Redirect
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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
- Diem-Project Diem — versions 116974edfb9a5b8bd69cb13586dc62bcdbb485ad
Weakness classification (CWE)
References
- github.com/diem-project/diem/ (product)
- github.com/diem-project/diem/issues/457 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-112040 (third-party-advisory)
- vuldb.com/submit/1008083 (third-party-advisory)
- vuldb.com/vuln/421688 (technical-description, vdb-entry)
- vuldb.com/vuln/421688/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-112040?
- CVE-2026-112040 is a medium-severity vulnerability in Diem-Project Diem, classified under URL Redirection to Untrusted Site (Open Redirect). CVSS score: 4.3/10. Published 2026-10-19.
- How severe is CVE-2026-112040?
- Medium severity. CVSS v3 base score is 4.3 out of 10.