{"action":"Upgrade openc3 to 7.0.0-rc3 or later.","affected":[{"fixed":"7.0.0-rc3","introduced":"6.7.0"}],"component":"openc3","cve_ids":["CVE-2026-42087"],"ecosystem":"RubyGems","epss":0.00323,"exploited":false,"fixed_versions":["7.0.0-rc3"],"ghsa_id":"GHSA-v529-vhwc-wfc5","id":"tcs_01M5KENE6K5XZKSE7K6DP17YYC","modified_at":"2026-07-13T07:26:28.641096018Z","published_at":"2026-04-23T14:12:02Z","references":["https://osv.dev/vulnerability/GHSA-v529-vhwc-wfc5","https://github.com/OpenC3/cosmos/security/advisories/GHSA-v529-vhwc-wfc5","https://nvd.nist.gov/vuln/detail/CVE-2026-42087","https://github.com/OpenC3/cosmos/commit/9ba60c09c8836a37a2e4ea67ab35fe403e041415","https://github.com/OpenC3/cosmos","https://github.com/OpenC3/cosmos/releases/tag/v7.0.0-rc3","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/openc3/CVE-2026-42087.yml"],"severity":{"label":"critical","score":9.6},"sources":[{"source":"osv","source_id":"GHSA-v529-vhwc-wfc5","url":"https://osv.dev/vulnerability/GHSA-v529-vhwc-wfc5"}],"summary":"OpenC3 COSMOS has SQL Injection in QuestDB Time-Series Database"}