CVE-2026-15639
Critical
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.
SeverityCritical
CVSS9.3
Exploit probability39. percentile0.4%
ProductSecret Server (On-Prem)
PublishedSep 16, 2026
First seenSep 16, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Delinea Secret Server (On-Prem) | 10.2.19 ≤ v ≤ 11.9.48 | — |
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