OpenC3 COSMOS Vulnerable to Directory Traversal via /script-api/scripts/ endpoint

CRITICAL 9.1CVE-2025-28384 · GHSA-p67j-387g-75wc · PYSEC-2025-257 · Published 13/06/2025 · updated 17/06/2026

Package	Affected versions	Patched versions
openc3 PyPI	`≤ 6.0.0`	No fix yet
openc3-cosmos-tool-iframe RubyGems	`= 6.0.0`	No fix yet
cosmos openc3	`= 6.0.0`	No fix yet

Description

An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS 6.0.0 allows attackers to execute a directory traversal.

NVD description

An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.

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