OpenC3 Path Traversal via screen controller (`GHSL-2024-127`)

MEDIUM 6.5CVE-2024-46977 · GHSA-8jxr-mccc-mwg8 · PYSEC-2024-101 · Published 02/10/2024 · updated 17/06/2026

Package	Affected versions	Patched versions
openc3 PyPI	`< 5.19.0`	`5.19.0`
openc3 RubyGems	`< 5.19.0`	`5.19.0`
cosmos openc3	`< 5.19.0`	`5.19.0`

Description

Summary

A path traversal vulnerability inside of LocalMode's open_local_file method allows an authenticated user with adequate permissions to download any .txt via the ScreensController#show on the web server COSMOS is running on (depending on the file permissions).

Note: This CVE affects all OpenC3 COSMOS Editions

Impact

This issue may lead to Information Disclosure.

NVD description

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. A path traversal vulnerability inside of LocalMode's open_local_file method allows an authenticated user with adequate permissions to download any .txt via the ScreensController#show on the web server COSMOS is running on (depending on the file permissions). This vulnerability is fixed in 5.19.0.

References

OpenC3/cosmos security advisory · WEB
nvd.nist.gov/vuln/detail/CVE-2024-46977 · ADVISORY
OpenC3/cosmos commit a34e61a · WEB
OpenC3/cosmos · PACKAGE
pypa/advisory-database · WEB
rubysec.com/advisories/CVE-2024-46977 · WEB
securitylab.github.com/advisories/GHSL-2024-127_GHSL-2024-129_OpenC3_COSMOS · ADVISORY

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