EUVD-2026-19748
GHSA-34m2-qrpf-6v7q
CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Lifecycle Timeline
4Description
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.
Analysis
SQL injection in Windmill workflow orchestration platform versions 1.276.0 through 1.603.2 enables authenticated attackers to escalate privileges to administrator and achieve remote code execution. The vulnerability exists in folder ownership management functionality where the owner parameter lacks input sanitization, allowing extraction of JWT signing secrets and administrative user identifiers to forge admin tokens. …
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Remediation
Within 24 hours: Identify all Windmill deployments and document current versions in use. Within 7 days: Upgrade all affected instances to version 1.603.3 or later immediately-this is a mandatory security update. …
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External POC / Exploit Code
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