{"items":[{"id":"NVI-00011916","kind":"vulnerability","title":"Backstage has sensitive information exposure in scaffolder task logs","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4xvq-3m68-h444","CVE-2026-106504"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-scaffolder-backend. 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-134449bead5a0972c20d2ac206558330"],"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":"2026-10-07T16:24:30.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5c5cfaa86f4655294205fc4e03ee9435"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.257%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.17512. Missing scores are unknown.","source_id":"sr-134449bead5a0972c20d2ac206558330"}],"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-5c5cfaa86f4655294205fc4e03ee9435","url":"https://github.com/advisories/GHSA-4xvq-3m68-h444","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4xvq-3m68-h444","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-134449bead5a0972c20d2ac206558330","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-2026-106504","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.309Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5c5cfaa86f4655294205fc4e03ee9435"],"technology":"@backstage/plugin-scaffolder-backend","known_exclusions":[],"conditions_summary":"### Impact\n\nAn authenticated user who can create and read scaffolder tasks may be able to observe sensitive values in task logs in deployments with restrictive action permissions and affected templates. Exploitation requires a denied action whose input contains such a value.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict scaffolder task creation and task-log reading to trusted users.\n- Avoid placing centrally managed sensitive values in inputs to actions that may be denied until upgrading.\n\n### References\n\n- Backstage threat model\n- Backstage permissions overview","public_affected_ranges":["< 4.1.0"]}],"null_published_at":"2026-11-08T08:10:32.026Z","source_updated_at":"2026-10-07T16:24:30.000Z","source_disclosed_at":"2026-10-07T16:24:29.000Z","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":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011916","kind":"vulnerability","title":"Backstage has sensitive information exposure in scaffolder task logs","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-4xvq-3m68-h444","CVE-2026-106504"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-scaffolder-backend. 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-5c5cfaa86f4655294205fc4e03ee9435"],"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":"2026-10-07T16:24:30.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-5c5cfaa86f4655294205fc4e03ee9435"}],"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-5c5cfaa86f4655294205fc4e03ee9435","url":"https://github.com/advisories/GHSA-4xvq-3m68-h444","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-4xvq-3m68-h444","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5c5cfaa86f4655294205fc4e03ee9435"],"technology":"@backstage/plugin-scaffolder-backend","known_exclusions":[],"conditions_summary":"### Impact\n\nAn authenticated user who can create and read scaffolder tasks may be able to observe sensitive values in task logs in deployments with restrictive action permissions and affected templates. Exploitation requires a denied action whose input contains such a value.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict scaffolder task creation and task-log reading to trusted users.\n- Avoid placing centrally managed sensitive values in inputs to actions that may be denied until upgrading.\n\n### References\n\n- Backstage threat model\n- Backstage permissions overview","public_affected_ranges":["< 4.1.0"]}],"null_published_at":"2026-11-01T01:03:56.615Z","source_updated_at":"2026-10-07T16:24:30.000Z","source_disclosed_at":"2026-10-07T16:24:29.000Z","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":"2026-11-01T00:58:46.232Z"}],"next_cursor":null,"snapshot_revision":"42594"}