{"items":[{"id":"NVI-00014042","kind":"vulnerability","title":"Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wvm9-9g5j-623f","CVE-2026-88006"],"plain_summary":"GitHub lists this reviewed advisory for open-webui. 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-0a52bae5673cbfad29a736f4e0da1c81"],"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":"2026-09-10T23:04:57.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-371c37a7556ae9829dab89561f9e26d0"},{"kind":"EPSS","as_of":"2026-11-02T12:00:30.000Z","value":"0.371%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31077. Missing scores are unknown.","source_id":"sr-0a52bae5673cbfad29a736f4e0da1c81"}],"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-371c37a7556ae9829dab89561f9e26d0","url":"https://github.com/advisories/GHSA-wvm9-9g5j-623f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wvm9-9g5j-623f","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:05.264Z"},{"id":"sr-0a52bae5673cbfad29a736f4e0da1c81","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-2026-88006","publisher":"FIRST EPSS","observed_at":"2026-11-02T20:17:01.144Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-371c37a7556ae9829dab89561f9e26d0"],"technology":"open-webui","known_exclusions":[],"conditions_summary":"## Summary\nOpen WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose provider roles the login callback would refuse, or would demote, could still obtain a working session at their existing role through this endpoint.\n\n## Preconditions\n- `ENABLE_OAUTH_TOKEN_EXCHANGE=True`. It is disabled by default, so a default deployment is not affected.\n- `ENABLE_OAUTH_ROLE_MANAGEMENT=True` together with `OAUTH_ALLOWED_ROLES` or `OAUTH_ADMIN_ROLES`. Role management is off by default, and deployments not using it are not affected.\n- A valid, unexpired access token on the configured provider.\n- An Open WebUI account already linked to that provider subject, or an account with a matching email when `OAUTH_MERGE_ACCOUNTS_BY_EMAIL` is enabled. This endpoint never creates accounts, so a token for a subject with no existing account is rejected.\n\n## Impact\nAn admin who relies on OAuth role management expects a user to lose access, or lose admin, as soon as the identity provider stops reporting the required role. The login callback does enforce this on the next sign-in. Token exch","public_affected_ranges":[">= 0.8.0, < 0.11.1"]}],"null_published_at":"2026-11-03T17:49:15.035Z","source_updated_at":"2026-09-10T23:04:57.000Z","source_disclosed_at":"2026-09-10T23:04:57.000Z","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":"2026-11-01T22:54:05.264Z"},{"id":"NVI-00014042","kind":"vulnerability","title":"Open WebUI: Users denied by the OAuth role policy can still sign in via token exchange","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-wvm9-9g5j-623f","CVE-2026-88006"],"plain_summary":"GitHub lists this reviewed advisory for open-webui. 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-371c37a7556ae9829dab89561f9e26d0"],"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":"2026-09-10T23:04:57.000Z","value":"6.5 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-371c37a7556ae9829dab89561f9e26d0"}],"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-371c37a7556ae9829dab89561f9e26d0","url":"https://github.com/advisories/GHSA-wvm9-9g5j-623f","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-wvm9-9g5j-623f","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:05.264Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-371c37a7556ae9829dab89561f9e26d0"],"technology":"open-webui","known_exclusions":[],"conditions_summary":"## Summary\nOpen WebUI's OAuth token exchange endpoint issues a session for a provider access token without running the OAuth role management that the normal OAuth login callback runs. A user whose provider roles the login callback would refuse, or would demote, could still obtain a working session at their existing role through this endpoint.\n\n## Preconditions\n- `ENABLE_OAUTH_TOKEN_EXCHANGE=True`. It is disabled by default, so a default deployment is not affected.\n- `ENABLE_OAUTH_ROLE_MANAGEMENT=True` together with `OAUTH_ALLOWED_ROLES` or `OAUTH_ADMIN_ROLES`. Role management is off by default, and deployments not using it are not affected.\n- A valid, unexpired access token on the configured provider.\n- An Open WebUI account already linked to that provider subject, or an account with a matching email when `OAUTH_MERGE_ACCOUNTS_BY_EMAIL` is enabled. This endpoint never creates accounts, so a token for a subject with no existing account is rejected.\n\n## Impact\nAn admin who relies on OAuth role management expects a user to lose access, or lose admin, as soon as the identity provider stops reporting the required role. The login callback does enforce this on the next sign-in. Token exch","public_affected_ranges":[">= 0.8.0, < 0.11.1"]}],"null_published_at":"2026-11-02T10:00:37.200Z","source_updated_at":"2026-09-10T23:04:57.000Z","source_disclosed_at":"2026-09-10T23:04:57.000Z","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":"2026-11-01T22:54:05.264Z"}],"next_cursor":null,"snapshot_revision":"42594"}