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CVE-2025-28388

OpenC3 COSMOS v6.0.0 was discovered to contain hardcoded credentials for the Service Account.

9.8 Critical

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

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.61%Up 0.6 points since Jun 14, 2025
90%50%10%1%

What each source reports

CVE List Score used 9.8

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

Record
CVE-2025-28388
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02
EUVDEUVD-2025-18269 9.8

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

Record
EUVD-2025-18269
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-9c5p-pqv5-93v2 9.8

OpenC3 COSMOS v6.0.0 was discovered to contain hardcoded credentials for the Service Account.

OpenC3 COSMOS v6.0.0 was discovered to contain hardcoded credentials for the Service Account.

Record
GHSA-9c5p-pqv5-93v2
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02
NVD 9.8

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

Record
CVE-2025-28388
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-798
Updated
2026-11-02
OSV 9.8

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

Record
CVE-2025-28388
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVPYSEC-2025-258 9.8

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

Record
PYSEC-2025-258
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openc3
PyPI
 through 6.0.0, plus listed versions
0.1.05.10.05.10.15.11.05.11.1
Show 19 moreShow less
5.11.25.11.35.12.05.13.05.14.05.14.15.14.25.15.05.15.15.15.25.16.05.16.15.16.25.17.05.17.15.18.05.19.05.20.05.9.2b0
 None known

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-28388 is a critical vulnerability (CVSS 9.8) in Openc3 Cosmos, published June 13, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.

References

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