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.
A vulnerability in the foreUP customer REST API allows any authenticated user to read cleartext payment-processor merchant credentials in the response body.
Details
Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-15657
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-156570.20% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 10% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-15657 | coverage & exploitation status | NVD · CVE.org |
Recent advisories for foreUP customer REST
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
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