CVE-2026-23696CRITICAL 9.9EPSS p91.2%

CVE-2026-23696CVE-2026-23696

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.

Scoring

CVSS 3.19.9 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
EPSS5.06% probability of exploitation · percentile 91.2% · 2026-06-19T12:03:05Z
Published2026-04-07
Last modified2026-04-08

Underlying weaknesses· 1

CWE-89

References

  1. https://apps.nextcloud.com/apps/flow/releases
  2. https://chocapikk.com/posts/2026/windfall-nextcloud-flow-windmill-rce/
  3. https://github.com/Chocapikk/Windfall
  4. https://github.com/windmill-labs/windmill/commit/942fb629210ebb287f48467d1535ffde3a3eeafe
  5. https://github.com/windmill-labs/windmill/releases/tag/v1.603.3
  6. https://www.vulncheck.com/advisories/windmill-file-ownership-handling-sqli-rce
  7. https://www.windmill.dev/

1

TypeTargetConfidenceTier
WeaknessImproper Neutralization of Special Elements used in an SQL Command ('SQL Injection')cwe-890%live

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.