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TI-2025-20780 Aliases CVE-2025-28388GHSA-9c5p-pqv5-93v2

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

Priority HIGH 82CWE-798Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-798.

Summary

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

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00607 49th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:openc3:cosmos:6.0.0:*:*:*:enterprise:*:*:*6.0.0VulnerableOpenC3
cpe:2.3:a:openc3:cosmos:6.0.0:*:*:*:open_source:*:*:*6.0.0VulnerableOpenC3
  • cpe:2.3:a:openc3:cosmos:6.0.0:*:*:*:enterprise:*:*:* Versions 6.0.0 Vulnerable ·OpenC3
  • cpe:2.3:a:openc3:cosmos:6.0.0:*:*:*:open_source:*:*:* Versions 6.0.0 Vulnerable ·OpenC3

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-28388
  2. 2026-10-03 Alias added: GHSA-9c5p-pqv5-93v2

References

Exploit 1

Other 4

  • 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-2025-20779 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
  • TI-2025-20777 An issue in the openc3-api/tables endpoint of OpenC3 COSMOS before 6.1.0 allows attackers… CVSS 3.1HIGH 7.5
See all 14 →

Sources

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