Auth bypass in Foreup
CVE-2026-15658
A vulnerability in the foreUP customer REST API allows any authenticated, low-privilege customer to access an endpoint that returns the records of other users without checking that the caller owns the data associated with that record.
Vulnerability class: IDOR (Insecure Direct Object Reference)
EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N.
Affected products
- Foreup — versions API
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-15658?
- CVE-2026-15658 is a high-severity vulnerability in Foreup, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 8.1/10. Published 2026-07-30.
- How severe is CVE-2026-15658?
- High severity. CVSS v3 base score is 8.1 out of 10.