Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2026-75136— UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault

Quick assessment

Affected
Septeo IT Solutions UpSignOn
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.

Septeo UpSignOn是法国Septeo公司的一款提供数字签名功能的电子签名服务平台。 Septeo UpSignOn 7.19.0之前版本存在信任管理问题漏洞，该漏洞源于不安全的凭据存储，本地攻击者可检索存储在Windows PasswordVault API中的生物识别解锁密钥，无需触发身份验证提示即可解密受保护的保管库文件并以明文导出整个密码管理器内容。

CVSS 6.1 · Medium EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1552.006 · Group Policy Preferences

Affected Version Matrix 1

VendorProduct Version RangeStatus
Septeo IT Solutions UpSignOn < 7.19.0 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-75136

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
UpSignOn < 7.19.0 Biometric Key Exposure via Windows PasswordVault
Source: CVE Program / CVE List V5
Vulnerability Description
UpSignOn for Windows before 7.19.0 contains an insecure credential storage vulnerability that allows local attackers to retrieve the biometric unlock key stored in the Windows PasswordVault API without triggering any authentication prompt. Attackers can access the stored biometric key from a standard local process within the same Windows session to decrypt the protected vault files and export the entire password manager contents in cleartext.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
不充分的凭证保护机制
Source: CVE Program / CVE List V5
Vulnerability Title
Septeo UpSignOn 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Septeo UpSignOn是法国Septeo公司的一款提供数字签名功能的电子签名服务平台。 Septeo UpSignOn 7.19.0之前版本存在信任管理问题漏洞，该漏洞源于不安全的凭据存储，本地攻击者可检索存储在Windows PasswordVault API中的生物识别解锁密钥，无需触发身份验证提示即可解密受保护的保管库文件并以明文导出整个密码管理器内容。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Septeo IT Solutions UpSignOn 0 ~ 7.19.0 -

II. Public POCs for CVE-2026-75136

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-75136

请登录查看更多情报信息。

Vendor Advisories for CVE-2026-75136 (1)

Vendor Pages for CVE-2026-75136 (1)

Same Patch Batch · Septeo IT Solutions · 2026-09-02 · 3 CVEs total

CVE-2026-75137 6.1 MEDIUM UpSignOn < 7.19.0 Sensitive Data Exposure in Process Memory after Lock
CVE-2026-75135 6.1 MEDIUM UpSignOn < 7.19.0 Sensitive Key Retention in Memory

IV. Related Vulnerabilities

Same product: UpSignOn
Same vendor: Septeo IT Solutions
Same weakness: CWE-522