{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0","last_affected":"6.0.0"}],"component":"openc3","cve_ids":["CVE-2025-28389"],"ecosystem":"PyPI","epss":0.00596,"exploited":false,"fixed_versions":[],"id":"tcs_01M5KGNW1GGRDQHHJQ6R9HH8DB","modified_at":"2026-05-21T15:00:25.400560417Z","published_at":"2025-06-13T14:15:21.010Z","references":["https://osv.dev/vulnerability/PYSEC-2025-150","https://openc3.com/","https://visionspace.com/openc3-cosmos-a-security-assessment-of-an-open-source-mission-framework/"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"PYSEC-2025-150","url":"https://osv.dev/vulnerability/PYSEC-2025-150"}],"summary":"Weak password requirements in OpenC3 COSMOS v6.0.0 allow attackers to bypass authentication via a brute force attack."}