Vulnerability Details CVE-2026-33344
Dagu is a workflow engine with a built-in Web user interface. From version 2.0.0 to before version 2.3.1, the fix for CVE-2026-27598 added ValidateDAGName to CreateNewDAG and rewrote generateFilePath to use filepath.Base. This patched the CREATE path. The remaining API endpoints - GET, DELETE, RENAME, EXECUTE - all pass the {fileName} URL path parameter to locateDAG without calling ValidateDAGName. %2F-encoded forward slashes in the {fileName} segment traverse outside the DAGs directory. This issue has been patched in version 2.3.1.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 3.5%
CVSS Severity
CVSS v3 Score 8.1
References
Products affected by CVE-2026-33344
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cpe:2.3:a:dagu:dagu:2.0.0
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cpe:2.3:a:dagu:dagu:2.0.1
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cpe:2.3:a:dagu:dagu:2.0.2
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cpe:2.3:a:dagu:dagu:2.0.3
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cpe:2.3:a:dagu:dagu:2.0.4
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cpe:2.3:a:dagu:dagu:2.0.5
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cpe:2.3:a:dagu:dagu:2.1.0
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cpe:2.3:a:dagu:dagu:2.1.1
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cpe:2.3:a:dagu:dagu:2.1.2
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cpe:2.3:a:dagu:dagu:2.1.3
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cpe:2.3:a:dagu:dagu:2.2.0
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cpe:2.3:a:dagu:dagu:2.2.1
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cpe:2.3:a:dagu:dagu:2.2.2
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cpe:2.3:a:dagu:dagu:2.2.3
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cpe:2.3:a:dagu:dagu:2.2.4
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cpe:2.3:a:dagu:dagu:2.3.0