Directory Traversal Affecting bacnet-stack package, versions [0,]
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-CONAN-BACNETSTACK-15282810
- published15 Feb 2026
- disclosed13 Feb 2026
- creditUnknown
Introduced: 13 Feb 2026
NewCVE-2026-21878 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
A fix was pushed into the master branch but not yet published.
Overview
bacnet-stack is a None
Affected versions of this package are vulnerable to Directory Traversal.
via the file writing process. An attacker can overwrite or create files in arbitrary directories by supplying crafted file paths.