# CVE-2026-59690: Missing authorization in ECS Connection Manager

> Authenticated low-privilege attackers can perform administrative operations via REST API, leading to privilege escalation and potential system compromise.

- **Severity:** High 8.0 (`CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 27 Jul 2026
- **Updated:** 28 Jul 2026
- **Also known as:** GHSA-68jj-c942-f24v

## What is CVE-2026-59690?

CVE-2026-59690 is a high-severity missing authorization vulnerability in Progress Software ECS Connection Manager, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A Missing Authorization vulnerability in Progress Software LoadMaster, ECS Connection Manager, Object Scale Connection Manager, MOVEit WAF, and Multi Tenant allows an authenticated attacker with low privileges to perform privileged administrative operations via the REST API that should not be accessible to their permission level, potentially resulting in a system compromise.

Weakness: CWE-862 (Missing Authorization)

## Which versions are affected by CVE-2026-59690?

It affects 5 products.


Products: Progress Connection Manager for Objectscale, Progress Ecs Connection Manager, Progress Loadmaster, Progress Moveit Web Application Firewall, Progress Multi-Tenant Loadmaster.

## How do I fix CVE-2026-59690?

No fix has been published for CVE-2026-59690 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-59690 being exploited?

There is no known exploitation of CVE-2026-59690 in the wild and no public exploit code.

## Other vulnerabilities in Progress Software ECS Connection Manager

- [CVE-2026-8037](https://insights.sbomify.com/CVE-2026-8037/): Progress LoadMaster Command Injection (critical 9.6, exploited in the wild)
- [CVE-2026-59686](https://insights.sbomify.com/CVE-2026-59686/): Command injection in ECS Connection Manager (high 8.4)
- [CVE-2026-59687](https://insights.sbomify.com/CVE-2026-59687/): Command injection in ECS Connection Manager (high 8.4)
- [CVE-2026-59688](https://insights.sbomify.com/CVE-2026-59688/): Command injection in ECS Connection Manager (high 8.4)
- [CVE-2026-3517](https://insights.sbomify.com/CVE-2026-3517/): Command injection in ECS Connections Manager (high 8.4)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-59690 and fix it if it is affected.

What it is: CVE-2026-59690 is a high-severity missing authorization vulnerability in Progress Software ECS Connection Manager, published on 27 Jul 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2026-59690 in the wild and no public exploit code.

Affected product: Progress Software ECS Connection Manager. 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-2026-59690/ (Markdown: https://insights.sbomify.com/CVE-2026-59690/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-59690
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-59690
- OSV: https://osv.dev/vulnerability/CVE-2026-59690

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-59690/
Summaries are generated and may contain mistakes; the official description above is the record.