{"items":[{"id":"NVI-00011954","kind":"vulnerability","title":"Backstage: Secret-derived values may be exposed in scaffolder task logs","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mfvq-x7vr-rgqg","CVE-2026-106499"],"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-042c283802ecc618c2867718b9b0a4ef"],"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":"2026-10-07T17:59:15.000Z","value":"4.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6d7961c2933c7f3b1cf2491b7062a333"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.270%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19269. Missing scores are unknown.","source_id":"sr-042c283802ecc618c2867718b9b0a4ef"}],"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-6d7961c2933c7f3b1cf2491b7062a333","url":"https://github.com/advisories/GHSA-mfvq-x7vr-rgqg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mfvq-x7vr-rgqg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-042c283802ecc618c2867718b9b0a4ef","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-2026-106499","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.309Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6d7961c2933c7f3b1cf2491b7062a333"],"technology":"@backstage/plugin-scaffolder-backend","known_exclusions":[],"conditions_summary":"### Impact\n\nDeployments that configure sensitive `scaffolder.defaultEnvironment.secrets` and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to users with access to the resulting task logs.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict permission to create or update Template entities to fully trusted parties, as recommended by the Backstage threat model.\n- If that restriction cannot be guaranteed, remove sensitive values from `scaffolder.defaultEnvironment.secrets` until a patched version is available.\n\nNo complete workaround is known that preserves both untrusted template authoring and access to sensitive default-environment secrets.","public_affected_ranges":["< 4.1.0"]}],"null_published_at":"2026-11-06T07:24:11.248Z","source_updated_at":"2026-10-07T17:59:15.000Z","source_disclosed_at":"2026-10-07T17:59:14.000Z","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-00011954","kind":"vulnerability","title":"Backstage: Secret-derived values may be exposed in scaffolder task logs","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mfvq-x7vr-rgqg","CVE-2026-106499"],"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-4c5b670dd9900b4bb6a70a5d514d8f80"],"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":"2026-10-07T17:59:15.000Z","value":"4.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6d7961c2933c7f3b1cf2491b7062a333"},{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.270%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.19198. Missing scores are unknown.","source_id":"sr-4c5b670dd9900b4bb6a70a5d514d8f80"}],"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-6d7961c2933c7f3b1cf2491b7062a333","url":"https://github.com/advisories/GHSA-mfvq-x7vr-rgqg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mfvq-x7vr-rgqg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-4c5b670dd9900b4bb6a70a5d514d8f80","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-2026-106499","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.064Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6d7961c2933c7f3b1cf2491b7062a333"],"technology":"@backstage/plugin-scaffolder-backend","known_exclusions":[],"conditions_summary":"### Impact\n\nDeployments that configure sensitive `scaffolder.defaultEnvironment.secrets` and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to users with access to the resulting task logs.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict permission to create or update Template entities to fully trusted parties, as recommended by the Backstage threat model.\n- If that restriction cannot be guaranteed, remove sensitive values from `scaffolder.defaultEnvironment.secrets` until a patched version is available.\n\nNo complete workaround is known that preserves both untrusted template authoring and access to sensitive default-environment secrets.","public_affected_ranges":["< 4.1.0"]}],"null_published_at":"2026-11-01T22:58:19.125Z","source_updated_at":"2026-10-07T17:59:15.000Z","source_disclosed_at":"2026-10-07T17:59:14.000Z","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-00011954","kind":"vulnerability","title":"Backstage: Secret-derived values may be exposed in scaffolder task logs","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-mfvq-x7vr-rgqg","CVE-2026-106499"],"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-6d7961c2933c7f3b1cf2491b7062a333"],"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":"2026-10-07T17:59:15.000Z","value":"4.9 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-6d7961c2933c7f3b1cf2491b7062a333"}],"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-6d7961c2933c7f3b1cf2491b7062a333","url":"https://github.com/advisories/GHSA-mfvq-x7vr-rgqg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-mfvq-x7vr-rgqg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-6d7961c2933c7f3b1cf2491b7062a333"],"technology":"@backstage/plugin-scaffolder-backend","known_exclusions":[],"conditions_summary":"### Impact\n\nDeployments that configure sensitive `scaffolder.defaultEnvironment.secrets` and allow an attacker to create or modify Scaffolder templates are affected. A template author could cause secret-derived values used during template iteration to be persisted in task logs, exposing those values to users with access to the resulting task logs.\n\n### Patches\n\nPatched in `@backstage/plugin-scaffolder-backend` version `4.1.0`\n\n### Workarounds\n\n- Restrict permission to create or update Template entities to fully trusted parties, as recommended by the Backstage threat model.\n- If that restriction cannot be guaranteed, remove sensitive values from `scaffolder.defaultEnvironment.secrets` until a patched version is available.\n\nNo complete workaround is known that preserves both untrusted template authoring and access to sensitive default-environment secrets.","public_affected_ranges":["< 4.1.0"]}],"null_published_at":"2026-11-01T01:03:56.617Z","source_updated_at":"2026-10-07T17:59:15.000Z","source_disclosed_at":"2026-10-07T17:59:14.000Z","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"}