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CVE-2026-15640 Authentication Bypass via SAML Response Manipulation

🗓️ 15 Sep 2026 23:22:15Reported by DelineaType 
cvelist
 cvelist
🔗 www.cve.org👁 37 Views

Auth bypass in Secret Server via SAML response manipulation allows user impersonation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-15640
16 Sep 202601:19
–circl
cve
CVE
CVE-2026-15640
15 Sep 202623:22
–cve
euvd
EUVD
EUVD-2026-80069
16 Sep 202600:31
–euvd
nvd
NVD
CVE-2026-15640
16 Sep 202600:17
–nvd
ptsecurity
Positive Technologies
PT-2026-93223
15 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-15640: Authentication Bypass by Spoofing
16 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-15640 Authentication Bypass via SAML Response Manipulation
15 Sep 202623:22
–vulnrichment
[
  {
    "vendor": "Delinea",
    "product": "Secret Server (On-Prem)",
    "platforms": [
      "Windows"
    ],
    "versions": [
      {
        "status": "affected",
        "version": "10.5.0",
        "lessThanOrEqual": "12.1.3",
        "versionType": "custom"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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16 Sep 2026 01:04Current
CVSS 49.5
EPSS0.00278
SSVC
37