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Vulnerability record · CVE-2026-11596 · published 10 June 2026

CVE-2026-11596: Connectwise screenconnect vulnerability

Connectwise · Screenconnect

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.

4.7 CVSS 3.1 Medium EPSS 0.24% · top 86.7% CWE-1284 · CWE-1284
4.7CVSS 3.1 base score
0.24%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
18 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/ConnectWise-Advisories/Disclosures/tree/main/CVE-2026-11596 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2024-1709ConnectWise ScreenConnect authentication bypass via alternate pathConnectWise ScreenConnect 23.9.7 and earlier contain an authentication bypass (CWE-288) that lets an unauthenticated attacker reach protected functio…KEVEPSS 100%analysed9.9CVE-2026-84869ScreenConnect client allows unauthorized file transfer and execution in remote sessionsA flaw in the ConnectWise ScreenConnect client lets files be transferred and executed inside an active remote session without authorization or Host c…KEVEPSS 0.92%analysed8.4CVE-2024-1708ConnectWise ScreenConnect path traversal enabling remote code executionConnectWise ScreenConnect 23.9.7 and earlier contain a path-traversal flaw (CWE-22) that can let an attacker execute remote code or reach confidentia…KEVEPSS 95%analysed7.2CVE-2025-3935ScreenConnect ViewState code injection enables RCEScreenConnect 25.2.3 and earlier rely on ASP.NET ViewState protected by machine keys, and if those keys are compromised an attacker can craft a malic…KEVEPSS 3.5%analysed9.1CVE-2025-14265Connectwise screenconnect download of code without integrity check vulnerabilityIn versions of ScreenConnect™ prior to 25.8, server-side validation and integrity checks within the extension subsystem could allow the installation …EPSS 0.37%8.1CVE-2023-47257Connectwise automate code injection vulnerabilityConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve remote code execution via crafted messages.EPSS 1.0%5.5CVE-2023-47256Connectwise automate improper authentication vulnerabilityConnectWise ScreenConnect through 23.8.4 allows local users to connect to arbitrary relay servers via implicit trust of proxy settingsEPSS 0.45%5.3CVE-2025-14823Connectwise screenconnect vulnerabilityIn deployments using the ScreenConnect™ Certificate Signing Extension, encrypted configuration values including an Azure Key Vault-related key, could…EPSS 0.15%

Source: NIST National Vulnerability Database (record CVE-2026-11596), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.