{"items":[{"id":"NVI-00011742","kind":"vulnerability","title":"Backstage: Improper preservation of access restrictions during service credential delegation","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-cq7v-rfgc-5c7v","CVE-2026-106492"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/backend-defaults. 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-0c8d607f3d6899cdddd282c2ce05bd0a"],"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":"2026-10-07T17:59:45.000Z","value":"7.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-142e0398ff0937c61fd8e6b55fb3c0cd"},{"kind":"CVSS","as_of":"2026-10-22T13:40:44.623Z","value":"7.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4b6d59daea71dd8d4d8a82cf8a7045e3"},{"kind":"CVSS","as_of":"2026-10-22T13:40:44.623Z","value":"6.5 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-4b6d59daea71dd8d4d8a82cf8a7045e3"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.208%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.1099. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-106492","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.309Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-142e0398ff0937c61fd8e6b55fb3c0cd"],"technology":"@backstage/backend-defaults","known_exclusions":[],"conditions_summary":"### Impact\n\nAn external service credential configured with access restrictions (e.g., read-only) could bypass those restrictions by routing requests through plugin delegation paths. This could allow a restricted service to perform operations beyond its intended scope, including write operations on plugins it was restricted to read-only access for.\n\n### Patches\n\nPatched in `@backstage/backend-defaults` version `0.17.8`\n\n### Workarounds\n\nIf you're unable to upgrade immediately:\n\n- If practical, replace restricted credentials with separate, purpose-specific unrestricted credentials scoped to trusted consumers.\n- Restrict network-level access to Backstage backend API endpoints to trusted callers only.","public_affected_ranges":["< 0.17.8"]}],"null_published_at":"2026-11-07T14:01:58.755Z","source_updated_at":"2026-10-07T17:59:45.000Z","source_disclosed_at":"2026-10-07T17:59:43.000Z","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-00011742","kind":"vulnerability","title":"Backstage: Improper preservation of access restrictions during service credential delegation","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-cq7v-rfgc-5c7v","CVE-2026-106492"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/backend-defaults. 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-4b6d59daea71dd8d4d8a82cf8a7045e3"],"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":"2026-10-07T17:59:45.000Z","value":"7.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-142e0398ff0937c61fd8e6b55fb3c0cd"},{"kind":"CVSS","as_of":"2026-10-22T13:40:44.623Z","value":"7.6 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-4b6d59daea71dd8d4d8a82cf8a7045e3"},{"kind":"CVSS","as_of":"2026-10-22T13:40:44.623Z","value":"6.5 MEDIUM (3.1)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-4b6d59daea71dd8d4d8a82cf8a7045e3"}],"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-142e0398ff0937c61fd8e6b55fb3c0cd","url":"https://github.com/advisories/GHSA-cq7v-rfgc-5c7v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cq7v-rfgc-5c7v","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-4b6d59daea71dd8d4d8a82cf8a7045e3","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-106492","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-106492","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-03T09:58:21.903Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-142e0398ff0937c61fd8e6b55fb3c0cd"],"technology":"@backstage/backend-defaults","known_exclusions":[],"conditions_summary":"### Impact\n\nAn external service credential configured with access restrictions (e.g., read-only) could bypass those restrictions by routing requests through plugin delegation paths. This could allow a restricted service to perform operations beyond its intended scope, including write operations on plugins it was restricted to read-only access for.\n\n### Patches\n\nPatched in `@backstage/backend-defaults` version `0.17.8`\n\n### Workarounds\n\nIf you're unable to upgrade immediately:\n\n- If practical, replace restricted credentials with separate, purpose-specific unrestricted credentials scoped to trusted consumers.\n- Restrict network-level access to Backstage backend API endpoints to trusted callers only.","public_affected_ranges":["< 0.17.8"]}],"null_published_at":"2026-11-05T19:10:23.250Z","source_updated_at":"2026-10-07T17:59:45.000Z","source_disclosed_at":"2026-10-07T17:59:43.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-01T00:58:46.232Z"},{"id":"NVI-00011742","kind":"vulnerability","title":"Backstage: Improper preservation of access restrictions during service credential delegation","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cq7v-rfgc-5c7v","CVE-2026-106492"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/backend-defaults. 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-142e0398ff0937c61fd8e6b55fb3c0cd"],"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":"2026-10-07T17:59:45.000Z","value":"7.6 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-142e0398ff0937c61fd8e6b55fb3c0cd"}],"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-142e0398ff0937c61fd8e6b55fb3c0cd","url":"https://github.com/advisories/GHSA-cq7v-rfgc-5c7v","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cq7v-rfgc-5c7v","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-142e0398ff0937c61fd8e6b55fb3c0cd"],"technology":"@backstage/backend-defaults","known_exclusions":[],"conditions_summary":"### Impact\n\nAn external service credential configured with access restrictions (e.g., read-only) could bypass those restrictions by routing requests through plugin delegation paths. This could allow a restricted service to perform operations beyond its intended scope, including write operations on plugins it was restricted to read-only access for.\n\n### Patches\n\nPatched in `@backstage/backend-defaults` version `0.17.8`\n\n### Workarounds\n\nIf you're unable to upgrade immediately:\n\n- If practical, replace restricted credentials with separate, purpose-specific unrestricted credentials scoped to trusted consumers.\n- Restrict network-level access to Backstage backend API endpoints to trusted callers only.","public_affected_ranges":["< 0.17.8"]}],"null_published_at":"2026-11-01T01:03:56.597Z","source_updated_at":"2026-10-07T17:59:45.000Z","source_disclosed_at":"2026-10-07T17:59:43.000Z","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"}