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TI-2024-31366 Aliases CVE-2024-46977GHSA-8jxr-mccc-mwg8

OpenC3 COSMOS allows a path traversal via screen controller (`GHSL-2024-127`)

Priority LOW 26CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-22 and the CVSS impact.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00912 60th percentileScored 2026-11-07
Fix Fixed cosmos (OpenC3): 5.19.0openc3 (RubyGems): 5.19.0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
OpenC3cosmosbefore 5.19.05.19.0Patch availableCNA
—openc3 (RubyGems)before 5.19.05.19.0Patch availableGHSA-8jxr-mccc-mwg8
—openc3 (PyPI)before 5.19.05.19.0Patch availableGHSA-8jxr-mccc-mwg8
  • cosmos VendorOpenC3 Affected before 5.19.0 Fixed in 5.19.0 Patch available CNA
  • openc3 (RubyGems) Vendor— Affected before 5.19.0 Fixed in 5.19.0 Patch available GHSA-8jxr-mccc-mwg8
  • openc3 (PyPI) Vendor— Affected before 5.19.0 Fixed in 5.19.0 Patch available GHSA-8jxr-mccc-mwg8

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:openc3:cosmos:*:*:*:*:enterprise:*:*:*before 5.19.0VulnerableOpenC3
cpe:2.3:a:openc3:cosmos:*:*:*:*:open_source:*:*:*before 5.19.0VulnerableOpenC3
  • cpe:2.3:a:openc3:cosmos:*:*:*:*:enterprise:*:*:* Versions before 5.19.0 Vulnerable ·OpenC3
  • cpe:2.3:a:openc3:cosmos:*:*:*:*:open_source:*:*:* Versions before 5.19.0 Vulnerable ·OpenC3

Remediation

  • Fix · CNA cosmos (OpenC3) Fixed in 5.19.0
  • Fix · GHSA-8jxr-mccc-mwg8 openc3 (RubyGems) Fixed in 5.19.0 Advisory →
  • Fix · GHSA-8jxr-mccc-mwg8 openc3 (PyPI) Fixed in 5.19.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2024-46977
  2. 2026-10-03 Alias added: GHSA-8jxr-mccc-mwg8

References

Patch 1

Advisory 3

Other 3

  • TI-2025-20781 Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack. CVSS 3.1CRITICAL 9.8
  • TI-2025-20780 OpenC3 COSMOS before v6.0.2 was discovered to contain hardcoded credentials for the Service Account. CVSS 3.1CRITICAL 9.8
  • TI-2025-20779 A remote code execution (RCE) vulnerability in the Plugin Management component of OpenC3… CVSS 3.1CRITICAL 9.8
  • TI-2025-20778 An issue in the /script-api/scripts/ endpoint of OpenC3 COSMOS before 6.1.0 allows… CVSS 3.1CRITICAL 9.1
  • TI-2026-30456 OpenC3 COSMOS: Administrative Actions via the Script Runner Tool CVSS 3.1CRITICAL 9.6
  • TI-2026-30455 OpenC3 COSMOS: SQL Injection in QuestDB Time-Series Data Base CVSS 3.1CRITICAL 9.6
See all 14 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences