CVE-2026-23696

critical

Description

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.

References

Exploits
More

https://github.com/Chocapikk/Windfall

https://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/

https://www.windmill.dev/

https://www.vulncheck.com/advisories/windmill-file-ownership-handling-sqli-rce

https://github.com/windmill-labs/windmill/releases/tag/v1.603.3

https://github.com/windmill-labs/windmill/commit/942fb629210ebb287f48467d1535ffde3a3eeafe

https://apps.nextcloud.com/apps/flow/releases

Details

Source: Mitre, NVD

Published: 2026-04-07

Updated: 2026-04-08

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 9.9

Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

CVSS v4

Base Score: 9.4

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical

EPSS

EPSS: 0.00059