# CVE-2026-15639

## Summary

- **CVE ID:** CVE-2026-15639
- **Severity:** CRITICAL
- **CVSS Score:** 9.3 (CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H)
- **CWE:** CWE-79
- **Published:** Sep 15, 2026
- **Last Modified:** Sep 16, 2026

## Description

An attacker can craft a malicious link that, if used by a legitimate user, may cause the user's browser to run JavaScript supplied by the attacker.

## Affected Products

- Delinea — Secret Server (On-Prem) (10.2.19)

## References

- [CNA](https://delinea.com/security-advisories)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.39%
- **EPSS Percentile:** 33.1

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-17._