CVE-2026-11596
Quick assessment
Affected
ConnectWise ScreenConnect
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.
ConnectWise ScreenConnect是ConnectWise公司的一种自托管远程桌面软件应用程序。 ConnectWise ScreenConnect 26.2之前版本存在安全漏洞，该漏洞源于Host Pass创建功能中未对令牌过期持续时间进行输入验证，可能导致已认证用户指定超出预期最大值的令牌过期时间。
Possible ATT&CK Techniques 1 AI
T1528 · Steal Application Access TokenAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| ConnectWise | ScreenConnect | All versions prior to 26.2 |
affected |
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I. Basic Information for CVE-2026-11596
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
In ScreenConnect™ versions prior to 26.2, input
validation within the Host Pass creation functionality could allow an
authenticated user with Host Pass creation privileges the ability to specify a
token expiration duration beyond the intended maximum when generating delegated
access tokens.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-1284
Source: CVE Program / CVE List V5
Vulnerability Title
ConnectWise ScreenConnect 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
ConnectWise ScreenConnect是ConnectWise公司的一种自托管远程桌面软件应用程序。 ConnectWise ScreenConnect 26.2之前版本存在安全漏洞，该漏洞源于Host Pass创建功能中未对令牌过期持续时间进行输入验证，可能导致已认证用户指定超出预期最大值的令牌过期时间。
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 |
|---|---|---|---|---|
| ConnectWise | ScreenConnect | All versions prior to 26.2 | - |
|
II. Public POCs for CVE-2026-11596
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-11596 (1)
IV. Related Vulnerabilities
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ScreenConnect Exposure to ASP.NET ViewState Code Injection
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-
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ScreenConnect Instance Level Cryptographic Material Exposure -
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Session Cookies Missing HttpOnly Attribute
Same weakness: CWE-1284
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V. Comments for CVE-2026-11596
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