Back to CVE records
Critical 9.3Published Sep 15, 2026

CVE-2026-15639Reflected Cross-Site Scripting

Updated under an hour ago ()

Does this affect you?

It affects Delinea Secret Server (On-Prem). Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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.

CVSS
9.3 CRITICAL (v4.0, CNA)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
Weakness (CWE)
CWE-79
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
Delinea
NVD analysis
Awaiting Analysis
Record last updated
Sep 16, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Delinea Secret Server (On-Prem)
delinea:secret_server_on_prem (from the name)
from 10.2.19 through 11.9.48
CNA record

References

  • vendor-advisory

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

Your cookie choices
We use essential cookies to run this site, and, only with your consent, an advertising cookie from Google to measure whether our ads lead to sign-ups and subscriptions. See our for details.