{"items":[{"id":"NVI-00012183","kind":"vulnerability","title":"Backstage: Improper authentication in the OIDC provider","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-826h-28h9-65hg","CVE-2026-106488"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-auth-backend-module-oidc-provider. 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-00c792d93ecb05ea900b48ee5da66bcc"],"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":"2026-10-07T18:01:03.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-bf89b7ddca7592fb2f3efb5a7a26c180"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.280%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.20607. Missing scores are unknown.","source_id":"sr-00c792d93ecb05ea900b48ee5da66bcc"}],"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-bf89b7ddca7592fb2f3efb5a7a26c180","url":"https://github.com/advisories/GHSA-826h-28h9-65hg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-826h-28h9-65hg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"},{"id":"sr-00c792d93ecb05ea900b48ee5da66bcc","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-2026-106488","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:44:07.774Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-bf89b7ddca7592fb2f3efb5a7a26c180"],"technology":"@backstage/plugin-auth-backend-module-oidc-provider","known_exclusions":[],"conditions_summary":"### Impact\n\nDeployments using OIDC email-based identity resolution with a provider that permits unverified email addresses may allow an authenticated provider user to assume another catalog identity. This may grant access and permissions associated with that user. No direct availability impact is demonstrated.\n\n### Patches\n\nPatched in `@backstage/plugin-auth-backend-module-oidc-provider` version `0.4.20`.\n\n### Workarounds\n\n- Disable email-based sign-in resolution for the OIDC provider, or require the identity provider to verify email addresses before allowing sign-in.","public_affected_ranges":["< 0.4.20"]}],"null_published_at":"2026-11-04T10:04:41.529Z","source_updated_at":"2026-10-07T18:01:03.000Z","source_disclosed_at":"2026-10-07T18:01:02.000Z","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-00012183","kind":"vulnerability","title":"Backstage: Improper authentication in the OIDC provider","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-826h-28h9-65hg","CVE-2026-106488"],"plain_summary":"GitHub lists this reviewed advisory for @backstage/plugin-auth-backend-module-oidc-provider. 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-bf89b7ddca7592fb2f3efb5a7a26c180"],"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":"2026-10-07T18:01:03.000Z","value":"8.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-bf89b7ddca7592fb2f3efb5a7a26c180"}],"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-bf89b7ddca7592fb2f3efb5a7a26c180","url":"https://github.com/advisories/GHSA-826h-28h9-65hg","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-826h-28h9-65hg","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T00:58:46.232Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-bf89b7ddca7592fb2f3efb5a7a26c180"],"technology":"@backstage/plugin-auth-backend-module-oidc-provider","known_exclusions":[],"conditions_summary":"### Impact\n\nDeployments using OIDC email-based identity resolution with a provider that permits unverified email addresses may allow an authenticated provider user to assume another catalog identity. This may grant access and permissions associated with that user. No direct availability impact is demonstrated.\n\n### Patches\n\nPatched in `@backstage/plugin-auth-backend-module-oidc-provider` version `0.4.20`.\n\n### Workarounds\n\n- Disable email-based sign-in resolution for the OIDC provider, or require the identity provider to verify email addresses before allowing sign-in.","public_affected_ranges":["< 0.4.20"]}],"null_published_at":"2026-11-01T01:45:38.494Z","source_updated_at":"2026-10-07T18:01:03.000Z","source_disclosed_at":"2026-10-07T18:01:02.000Z","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"}