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CVE-2026-19117— Delinea Secret Server FIDO2 credential registration authentication bypass vulnerability

Quick assessment

Affected
Delinea Secret Server (On-Prem)
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在特定条件下，攻击者可以在目标账户下注册一个由攻击者控制的 FIDO2 凭据，然后以该用户的身份进行身份验证。此问题仅影响本地部署环境。

CVSS 9.8 · Critical EPSS 0.28% · P21

Possible ATT&CK Techniques 2 AI

T1090 · Proxy T1078 · Valid Accounts

Affected Version Matrix 5

VendorProduct Version RangeStatus
Delinea Secret Server (On-Prem) 10.6.0≤ 11.7.61 affected
11.8.0≤ 11.8.1 affected
11.9.0≤ 11.9.47 affected
12.0.0≤ 12.0.22 affected
12.1.0≤ 12.1.2 affected
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I. Basic Information for CVE-2026-19117

Vulnerability Information
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Vulnerability Title
Delinea Secret Server FIDO2 credential registration authentication bypass vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Under specific conditions, an attacker can register an attacker-controlled FIDO2 credential against a target account and then authenticate as that user. This issue affects on-premises deployments only.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
使用欺骗进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Delinea Secret Server (On-Prem) 10.6.0 ~ 11.7.61 -

II. Public POCs for CVE-2026-19117

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III. Intelligence Information for CVE-2026-19117

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Vendor Advisories for CVE-2026-19117 (1)

IV. Related Vulnerabilities

Same vendor: Delinea
Same weakness: CWE-290

V. Comments for CVE-2026-19117

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