High

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

Disclosed: 02.10.2024
Updated: 11.10.2026 11:20

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.

Affected software

Click a technology to see all vulnerabilities affecting it.

Platform	Package	Vulnerable versions	Fixed in
Python (PyPI)	openc3	< 5.19.0	5.19.0

References

CVSS score 6.5/10

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness (CWE): CWE-22
Platform: Python (PyPI)
Package: openc3
Disclosed: 02.10.2024
Updated: 11.10.2026 11:20

Sources and licenses

OSV / GitHub Advisory Database - PYSEC-2024-101 - PyPA Advisory Database; CC BY 4.0

OSV / GitHub Advisory Database - GHSA-8jxr-mccc-mwg8 - CC BY 4.0

Vulnerability history: openc3

All published vulnerabilities of this package (Python (PyPI)), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (15) in the archive

Total entries: 15
First → latest: 10.2024 05.2026
Without a fix: 7
Exploited in attacks: 0

Severity breakdown

Critical 5
High 5
Medium 5

Disclosures per year

2024: 3
2025: 7
2026: 5

04.05.2026

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to version 7.0.0-rc3, the Script Runner widget allows users to execute Pyt

High · 8.1 CVE-2026-42088 < 7.0.0 7.0.0
04.05.2026

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From version 6.7.0 to before version 7.0.0-rc3, a SQL injection vulnerability ex

Critical · 9.6 CVE-2026-42087 >= 6.7.0, < 7.0.0 7.0.0
04.05.2026

OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. Prior to versions 6.10.5 and 7.0.0-rc3, the OpenC3 password change functionality

High · 8.1 CVE-2026-42084 < 6.10.5 6.10.5
13.06.2025

Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack.

Critical · 9.8 CVE-2025-28389 <= 6.0.0 no fix
13.06.2025

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

Critical · 9.1 CVE-2025-28384 <= 6.0.0 no fix
13.06.2025

An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers to execute a directory traversal.

High · 7.5 CVE-2025-28382 <= 6.0.0 no fix
13.06.2025

A credential leak in OpenC3 COSMOS before v6.0.2 allows attackers to access service credentials as environment variables stored in all containers.

High · 7.5 CVE-2025-28381 <= 6.0.0 no fix
13.06.2025

OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account.

Critical · 9.8 CVE-2025-28388 <= 6.0.0 no fix
13.06.2025

A remote code execution (RCE) vulnerability in the Plugin Management component of OpenC3 COSMOS v6.0.0 allows attackers to execute arbitrary code via uploading a crafted .txt file.

Critical · 9.8 CVE-2025-28386 <= 6.0.0 no fix
02.10.2024

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

High · 6.5 CVE-2024-46977 < 5.19.0 5.19.0

Know which vulnerabilities affect your application

With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.

Connect your application