In ScreenConnect™ versions prior to 26.2, input validation within the Host Pass creation…
Priority LOW 21CWE-1284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00237 14th percentileScored 2026-11-07
Fix Fixed ScreenConnect (ConnectWise): 26.2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ConnectWise | ScreenConnect | before 26.2 | 26.2 | Patch available | CNA |
- ScreenConnect VendorConnectWise Affected before 26.2 Fixed in 26.2 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:* | before 26.2.2.9585 | Vulnerable | ConnectWise |
- cpe:2.3:a:connectwise:screenconnect:*:*:*:*:*:*:*:* Versions before 26.2.2.9585 Vulnerable ·ConnectWise
Remediation
- Fix · CNA ScreenConnect (ConnectWise) Fixed in 26.2
Timeline
- 2026-10-02 Threatist record created from CVE-2026-11596
- 2026-10-03 Alias added: GHSA-ff2m-7qh4-77hp
More ConnectWise Screenconnect vulnerabilities
- TI-2026-58346 ScreenConnect Client: Guest-to-Host File Execution via File-Transfer Actions KEVCVSS 3.1CRITICAL 9.9
- TI-2024-01589 Authentication bypass using an alternate path or channel KEVCVSS 3.1CRITICAL 10.0
- TI-2024-01588 Improper limitation of a pathname to a restricted directory (“path traversal”) KEVCVSS 3.1HIGH 8.4
- TI-2025-03479 ScreenConnect Exposure to ASP.NET ViewState Code Injection KEVCVSS 3.1HIGH 8.1
- TI-2025-13036 Improper server-side validation in ScreenConnect extension framework CVSS 3.1CRITICAL 9.1
- TI-2023-25574 ConnectWise ScreenConnect through 23.8.4 allows man-in-the-middle attackers to achieve… CVSS 3.1HIGH 8.1
Sources
- CVE-2026-11596 · CVE Program
- CVE-2026-11596 · NVD
- FIRST EPSS
- GHSA-ff2m-7qh4-77hp · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences