What is CVE-2026-15657?

CVE-2026-15657 is a medium-severity vulnerability in Foreup, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2026-07-30.

How severe is CVE-2026-15657?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Foreup

CVE-2026-15657

A vulnerability in the foreUP customer REST API allows any authenticated user to read cleartext payment-processor merchant credentials in the response body.

EPSS: 0.003 (18.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

Affected products

Foreup — versions API

Weakness classification (CWE)

CWE-522 — Insufficiently Protected Credentials

References

cret@cert.org

Frequently asked questions

What is CVE-2026-15657?: CVE-2026-15657 is a medium-severity vulnerability in Foreup, classified under Insufficiently Protected Credentials. CVSS score: 6.5/10. Published 2026-07-30.
How severe is CVE-2026-15657?: Medium severity. CVSS v3 base score is 6.5 out of 10.