{"items":[{"id":"NVI-00016182","kind":"vulnerability","title":"@better-auth/sso: SSO provider may allow registration for any org member without a checking their role","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gv74-j8m3-fg5f","CVE-2026-53515"],"plain_summary":"GitHub lists this reviewed advisory for @better-auth/sso. 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-061412e8ba32f3f221e163a6d510de72"],"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":"2026-07-20T21:06:18.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3d95844106262ef001568a7c12c6a92f"},{"kind":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.426%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.37003. Missing scores are unknown.","source_id":"sr-061412e8ba32f3f221e163a6d510de72"}],"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-3d95844106262ef001568a7c12c6a92f","url":"https://github.com/advisories/GHSA-gv74-j8m3-fg5f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gv74-j8m3-fg5f","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:47:44.783Z"},{"id":"sr-061412e8ba32f3f221e163a6d510de72","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-2026-53515","publisher":"FIRST EPSS","observed_at":"2026-11-04T17:58:50.331Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d95844106262ef001568a7c12c6a92f"],"technology":"@better-auth/sso","known_exclusions":[],"conditions_summary":"### Am I affected?\n\nYou are affected if all of the following are true:\n\n- You depend on `@better-auth/sso` at any version in `>= 1.2.10, < 1.6.11`, or any current `next` pre-release.\n- You enable both `sso()` and `organization()` plugins.\n- `providersLimit` is at its default (`10`) or any non-zero value, so SSO provider registration is enabled for authenticated users.\n- An organization has non-admin members, or your application can add users to organizations as regular members.\n\nYou are at the highest risk if any of these also hold:\n\n- Organization membership can be obtained without a direct admin decision, such as through open invitations, self-serve onboarding, public team joins, or SCIM bulk imports.\n- `organizationProvisioning.defaultRole` or `organizationProvisioning.getRole` returns `admin` or higher for SSO-provisioned users. The bug then becomes unauthorized admin creation in the org.\n- `domainVerification.enabled` is `false` (the default). The malicious provider is immediately usable.\n\nFix:\n\n1. Upgrade to `@better-auth/sso@1.6.11` or later.\n2. If you cannot upgrade, see workarounds below.\n\n### Summary\n\nThe SSO plugin's `POST /sso/register` endpoint lets any member of an or","public_affected_ranges":[">= 1.2.10, < 1.6.11"]}],"null_published_at":"2026-11-06T07:24:11.262Z","source_updated_at":"2026-07-20T21:06:18.000Z","source_disclosed_at":"2026-07-20T21:06:17.000Z","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":"2026-11-04T02:47:44.783Z"},{"id":"NVI-00016182","kind":"vulnerability","title":"@better-auth/sso: SSO provider may allow registration for any org member without a checking their role","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-gv74-j8m3-fg5f","CVE-2026-53515"],"plain_summary":"GitHub lists this reviewed advisory for @better-auth/sso. 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-3d95844106262ef001568a7c12c6a92f"],"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":"2026-07-20T21:06:18.000Z","value":"7.1 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-3d95844106262ef001568a7c12c6a92f"}],"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-3d95844106262ef001568a7c12c6a92f","url":"https://github.com/advisories/GHSA-gv74-j8m3-fg5f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-gv74-j8m3-fg5f","publisher":"GitHub Advisory Database","observed_at":"2026-11-04T02:47:44.783Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-3d95844106262ef001568a7c12c6a92f"],"technology":"@better-auth/sso","known_exclusions":[],"conditions_summary":"### Am I affected?\n\nYou are affected if all of the following are true:\n\n- You depend on `@better-auth/sso` at any version in `>= 1.2.10, < 1.6.11`, or any current `next` pre-release.\n- You enable both `sso()` and `organization()` plugins.\n- `providersLimit` is at its default (`10`) or any non-zero value, so SSO provider registration is enabled for authenticated users.\n- An organization has non-admin members, or your application can add users to organizations as regular members.\n\nYou are at the highest risk if any of these also hold:\n\n- Organization membership can be obtained without a direct admin decision, such as through open invitations, self-serve onboarding, public team joins, or SCIM bulk imports.\n- `organizationProvisioning.defaultRole` or `organizationProvisioning.getRole` returns `admin` or higher for SSO-provisioned users. The bug then becomes unauthorized admin creation in the org.\n- `domainVerification.enabled` is `false` (the default). The malicious provider is immediately usable.\n\nFix:\n\n1. Upgrade to `@better-auth/sso@1.6.11` or later.\n2. If you cannot upgrade, see workarounds below.\n\n### Summary\n\nThe SSO plugin's `POST /sso/register` endpoint lets any member of an or","public_affected_ranges":[">= 1.2.10, < 1.6.11"]}],"null_published_at":"2026-11-04T10:04:27.902Z","source_updated_at":"2026-07-20T21:06:18.000Z","source_disclosed_at":"2026-07-20T21:06:17.000Z","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":"2026-11-04T02:47:44.783Z"}],"next_cursor":null,"snapshot_revision":"42594"}