{"items":[{"id":"NVI-00013116","kind":"vulnerability","title":"OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jjq7-m736-w977","CVE-2026-77602"],"plain_summary":"GitHub lists this reviewed advisory for openc3. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-231a904e8e47b0bc0ef80f4514e4224a"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-23T18:57:24.000Z","value":"9.9 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6676bb479b06ab0ceff333a005041c86"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.716%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53839. Missing scores are unknown.","source_id":"sr-231a904e8e47b0bc0ef80f4514e4224a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6676bb479b06ab0ceff333a005041c86","url":"https://github.com/advisories/GHSA-jjq7-m736-w977","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jjq7-m736-w977","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"},{"id":"sr-231a904e8e47b0bc0ef80f4514e4224a","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77602","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.081Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6676bb479b06ab0ceff333a005041c86"],"technology":"openc3","known_exclusions":[],"conditions_summary":"### Summary\n\nCOSMOS reads configuration from a user-writable overlay (`targets_modified/`) before the read-only plugin-installed `targets/` tree, and the config subsystem executes code on those files: `ConfigParser` renders every file as ERB by default, a `GENERIC_READ_CONVERSION` / `GENERIC_WRITE_CONVERSION` block is evaluated as code by `GenericConversion` (Ruby and Python), and the Script Runner suite analysis `require`s a procedure file. An authenticated user can write into `targets_modified/` below the admin tier (the storage-upload endpoint exempts that area from the admin gate, and the screen-save endpoint stores its body verbatim there), so the same root cause is reachable through several features, each giving arbitrary code execution on a COSMOS server.\n\nThree vulnerable routes were identified, all reachable by an authenticated non-admin user (in the open-source edition `authorize` ignores the permission string, so any authenticated user qualifies):\n\n1. **Table definitions** (immediate). `tables#generate|report|load` reads a definition from `targets_modified/` and ERB-renders it and evaluates its `GENERIC_*_CONVERSION` block in the `cmd-tlm-api` container.\n2. **Command/tel","public_affected_ranges":[">= 5.1.0, <= 7.2.1"]}],"null_published_at":"2026-11-08T19:53:33.517Z","source_updated_at":"2026-09-23T18:57:24.000Z","source_disclosed_at":"2026-09-23T18:57:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:25:10.521Z"},{"id":"NVI-00013116","kind":"vulnerability","title":"OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jjq7-m736-w977","CVE-2026-77602"],"plain_summary":"GitHub lists this reviewed advisory for openc3. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-1c6cbea02cb50903a66c4ed642d02edb"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-23T18:57:24.000Z","value":"9.9 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6676bb479b06ab0ceff333a005041c86"},{"kind":"EPSS","as_of":"2026-11-01T12:00:16.000Z","value":"0.716%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.53807. Missing scores are unknown.","source_id":"sr-1c6cbea02cb50903a66c4ed642d02edb"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6676bb479b06ab0ceff333a005041c86","url":"https://github.com/advisories/GHSA-jjq7-m736-w977","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jjq7-m736-w977","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"},{"id":"sr-1c6cbea02cb50903a66c4ed642d02edb","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-77602","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.287Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6676bb479b06ab0ceff333a005041c86"],"technology":"openc3","known_exclusions":[],"conditions_summary":"### Summary\n\nCOSMOS reads configuration from a user-writable overlay (`targets_modified/`) before the read-only plugin-installed `targets/` tree, and the config subsystem executes code on those files: `ConfigParser` renders every file as ERB by default, a `GENERIC_READ_CONVERSION` / `GENERIC_WRITE_CONVERSION` block is evaluated as code by `GenericConversion` (Ruby and Python), and the Script Runner suite analysis `require`s a procedure file. An authenticated user can write into `targets_modified/` below the admin tier (the storage-upload endpoint exempts that area from the admin gate, and the screen-save endpoint stores its body verbatim there), so the same root cause is reachable through several features, each giving arbitrary code execution on a COSMOS server.\n\nThree vulnerable routes were identified, all reachable by an authenticated non-admin user (in the open-source edition `authorize` ignores the permission string, so any authenticated user qualifies):\n\n1. **Table definitions** (immediate). `tables#generate|report|load` reads a definition from `targets_modified/` and ERB-renders it and evaluates its `GENERIC_*_CONVERSION` block in the `cmd-tlm-api` container.\n2. **Command/tel","public_affected_ranges":[">= 5.1.0, <= 7.2.1"]}],"null_published_at":"2026-11-04T18:04:03.115Z","source_updated_at":"2026-09-23T18:57:24.000Z","source_disclosed_at":"2026-09-23T18:57:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-11-01T07:25:10.521Z"},{"id":"NVI-00013116","kind":"vulnerability","title":"OpenC3 COSMOS: Authenticated remote code execution via the user-writable config overlay (table definitions, cmd/tlm definitions, and script suites)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-jjq7-m736-w977","CVE-2026-77602"],"plain_summary":"GitHub lists this reviewed advisory for openc3. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-6676bb479b06ab0ceff333a005041c86"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-09-23T18:57:24.000Z","value":"9.9 critical","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6676bb479b06ab0ceff333a005041c86"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. This report has not examined your application.","related_sources":[{"id":"sr-6676bb479b06ab0ceff333a005041c86","url":"https://github.com/advisories/GHSA-jjq7-m736-w977","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-jjq7-m736-w977","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T07:25:10.521Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6676bb479b06ab0ceff333a005041c86"],"technology":"openc3","known_exclusions":[],"conditions_summary":"### Summary\n\nCOSMOS reads configuration from a user-writable overlay (`targets_modified/`) before the read-only plugin-installed `targets/` tree, and the config subsystem executes code on those files: `ConfigParser` renders every file as ERB by default, a `GENERIC_READ_CONVERSION` / `GENERIC_WRITE_CONVERSION` block is evaluated as code by `GenericConversion` (Ruby and Python), and the Script Runner suite analysis `require`s a procedure file. An authenticated user can write into `targets_modified/` below the admin tier (the storage-upload endpoint exempts that area from the admin gate, and the screen-save endpoint stores its body verbatim there), so the same root cause is reachable through several features, each giving arbitrary code execution on a COSMOS server.\n\nThree vulnerable routes were identified, all reachable by an authenticated non-admin user (in the open-source edition `authorize` ignores the permission string, so any authenticated user qualifies):\n\n1. **Table definitions** (immediate). `tables#generate|report|load` reads a definition from `targets_modified/` and ERB-renders it and evaluates its `GENERIC_*_CONVERSION` block in the `cmd-tlm-api` container.\n2. **Command/tel","public_affected_ranges":[">= 5.1.0, <= 7.2.1"]}],"null_published_at":"2026-11-01T07:29:12.923Z","source_updated_at":"2026-09-23T18:57:24.000Z","source_disclosed_at":"2026-09-23T18:57:24.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-11-01T07:25:10.521Z"}],"next_cursor":null,"snapshot_revision":"42594"}