{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-77601","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-08-20T20:48:20.507Z","datePublished":"2026-09-23T18:50:15.333Z","dateUpdated":"2026-09-23T19:28:50.877Z"},"containers":{"cna":{"title":"OpenC3 COSMOS: Authenticated OS command injection via the `pypi_url` setting","problemTypes":[{"descriptions":[{"cweId":"CWE-78","lang":"en","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-vp3w-52v9-q57f","tags":["x_refsource_CONFIRM"],"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-vp3w-52v9-q57f"},{"name":"https://github.com/OpenC3/cosmos/pull/3489","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/pull/3489"},{"name":"https://github.com/OpenC3/cosmos/commit/be70d1d836c83c3b084e768e31a399312d4cbe0b","tags":["x_refsource_MISC"],"url":"https://github.com/OpenC3/cosmos/commit/be70d1d836c83c3b084e768e31a399312d4cbe0b"}],"affected":[{"vendor":"OpenC3","product":"cosmos","versions":[{"version":">= 5.12.0, < 7.3.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-09-23T18:50:15.333Z"},"descriptions":[{"lang":"en","value":"OpenC3 COSMOS provides the functionality needed to send commands to and receive data from one or more embedded systems. From 5.12.0 until 7.3.0, an authenticated actor can write the pypi_url setting through set_setting at POST /openc3-api/api, then cause OpenC3::PluginModel.install_phase2 in openc3/lib/openc3/models/plugin_model.rb to interpolate the value into a shell command while installing a plugin with Python dependency metadata. Shell metacharacters in the setting are interpreted by the command shell, allowing arbitrary operating-system commands to run as the openc3 service user with access to Redis and bucket credentials. Open-source deployments permit any authenticated user to reach the affected operations, while Enterprise deployments require an administrator. This issue is fixed in version 7.3.0."}],"source":{"advisory":"GHSA-vp3w-52v9-q57f","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/OpenC3/cosmos/security/advisories/GHSA-vp3w-52v9-q57f","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-23T19:28:30.534617Z","id":"CVE-2026-77601","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-23T19:28:50.877Z"}}]}}