# CVE-2026-11596: Business logic in ScreenConnect

> Authenticated users can create Host Passes with excessive token expiration durations, bypassing intended security limits in ScreenConnect.

- **Severity:** Medium 4.7 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 10 Jun 2026
- **Updated:** 10 Jun 2026
- **Also known as:** GHSA-ff2m-7qh4-77hp

## What is CVE-2026-11596?

CVE-2026-11596 is a medium-severity vulnerability in ConnectWise ScreenConnect, published on 10 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.

### Official 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.

Weakness: CWE-1284 (Improper Validation of Specified Quantity in Input)

## Which versions are affected by CVE-2026-11596?

It affects 1 product.


Products: Connectwise Screenconnect.

## How do I fix CVE-2026-11596?

No fix has been published for CVE-2026-11596 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11596 being exploited?

There is no known exploitation of CVE-2026-11596 in the wild and no public exploit code.

## Other vulnerabilities in ConnectWise ScreenConnect

- [CVE-2024-1709](https://insights.sbomify.com/CVE-2024-1709/): ConnectWise ScreenConnect Authentication Bypass (critical 10.0, exploited in the wild)
- [CVE-2026-84869](https://insights.sbomify.com/CVE-2026-84869/): ConnectWise ScreenConnect Improper Privilege Management and Missing Authorization (critical 9.9, exploited in the wild)
- [CVE-2024-1708](https://insights.sbomify.com/CVE-2024-1708/): ConnectWise ScreenConnect Path Traversal (high 8.4, exploited in the wild)
- [CVE-2025-3935](https://insights.sbomify.com/CVE-2025-3935/): ConnectWise ScreenConnect Improper Authentication (high 8.1, exploited in the wild)
- [CVE-2025-14265](https://insights.sbomify.com/CVE-2025-14265/): Improper server-side validation in ScreenConnect extension framework (critical 9.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11596 and fix it if it is affected.

What it is: CVE-2026-11596 is a medium-severity vulnerability in ConnectWise ScreenConnect, published on 10 Jun 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-11596 in the wild and no public exploit code.

Affected product: ConnectWise ScreenConnect. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-11596/ (Markdown: https://insights.sbomify.com/CVE-2026-11596/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11596
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11596
- OSV: https://osv.dev/vulnerability/CVE-2026-11596

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11596/
Summaries are generated and may contain mistakes; the official description above is the record.