Critical 9.9Published Apr 7, 2026

CVE-2026-23696Windmill < 1.603.3 File Ownership Handling SQLi RCE

Updated under an hour ago (Oct 27, 2026, 6:30 PM ET)

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It affects Windmill Labs Windmill CE (Community Edition) and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Windmill Labs Windmill CE (Community Edition)

Exploited in the last 30 days

Windmill CE and EE versions 1.276.0 through 1.603.2 contain an SQL injection vulnerability in the folder ownership management functionality that allows authenticated attackers to inject SQL through the owner parameter. An attacker can use the injection to read sensitive data such as the JWT signing secret and administrative user identifiers, forge an administrative token, and then execute arbitrary code via the workflow execution endpoints.

CVSS: 9.9 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Weakness (CWE): CWE-89
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Awaiting Analysis
Record last updated: Jul 14, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Windmill Labs Windmill CE (Community Edition) windmill_labs:windmill_ce_community_edition (from the name)	from 1.276.0 through 1.603.2; 1.603.3 not affected	CNA record
Windmill Labs Windmill EE (Enterprise Edition) windmill_labs:windmill_ee_enterprise_edition (from the name)	from 1.276.0 through 1.603.2; 1.603.3 not affected	CNA record

References

References

https://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/	technical-description, exploit
https://github.com/Chocapikk/Windfall	exploit
https://github.com/windmill-labs/windmill/releases/tag/v1.603.3	release-notes
https://github.com/windmill-labs/windmill/commit/942fb629210ebb287f48467d1535ffde3a3eeafe	patch
https://www.windmill.dev/	product
https://apps.nextcloud.com/apps/flow/releases	release-notes
https://www.vulncheck.com/advisories/windmill-file-ownership-handling-sqli-rce	third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.