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High severity7.2NVD Advisory· Published Mar 27, 2026· Updated Apr 8, 2026

CVE-2026-33881

CVE-2026-33881

Description

Windmill is an open-source developer platform for internal code: APIs, background jobs, workflows and UIs. Workspace environment variable values are interpolated into JavaScript string literals without escaping single quotes in the NativeTS executor. A workspace admin who sets a custom environment variable with a value containing ' can inject arbitrary JavaScript that executes inside every NativeTS script in that workspace. This is a code injection bug in worker.rs, not related to the sandbox/NSJAIL topic. Version 1.664.0 patches the issue.

AI Insight

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Affected products

2
  • Windmill/Windmill2 versions
    cpe:2.3:a:windmill:windmill:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:windmill:windmill:*:*:*:*:*:*:*:*range: <1.664.0
    • (no CPE)range: <1.664.0

Patches

Vulnerability mechanics

References

1

News mentions

0

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