{"items":[{"id":"NVI-00014028","kind":"vulnerability","title":"Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3pf7-q2g3-wj28","CVE-2026-87997"],"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-20ae23fbab065b0f382f566dba063128"],"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":"2026-09-10T15:10:05.000Z","value":"4.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-342dcf965317c08ddb5e7306a0d5a831"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.372%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.31173. Missing scores are unknown.","source_id":"sr-20ae23fbab065b0f382f566dba063128"}],"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-342dcf965317c08ddb5e7306a0d5a831","url":"https://github.com/advisories/GHSA-3pf7-q2g3-wj28","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3pf7-q2g3-wj28","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"},{"id":"sr-20ae23fbab065b0f382f566dba063128","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-2026-87997","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.084Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-342dcf965317c08ddb5e7306a0d5a831"],"technology":"open-webui","known_exclusions":[],"conditions_summary":"## Summary\nThe chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder, including a shared folder where they hold read-only access and a folder they have no access to at all. The chat then shows up in that folder for everyone who can read it, under a title and with content the attacker controls. The dedicated chat-creation and chat-move endpoints already enforced this check, the chat-completions path did not.\n\n## Preconditions\n- An authenticated account of any role. No elevated permission, no admin involvement.\n- Folders enabled, which is the default (`ENABLE_FOLDERS=true`, `USER_PERMISSIONS_FEATURES_FOLDERS=true`).\n- The attacker needs the target folder's id. A member of a shared folder gets it from the shared-folder listing. Sharing a folder with named users is available to ordinary users by default; only wildcard public sharing is gated. A folder that was never shared has an id the attacker cannot obtain through any endpoint available to them, so those folder","public_affected_ranges":[">= 0.10.0, < 0.11.1"]}],"null_published_at":"2026-11-07T14:01:55.427Z","source_updated_at":"2026-09-10T15:10:05.000Z","source_disclosed_at":"2026-09-10T15:10:04.000Z","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":"2026-11-01T22:54:12.705Z"},{"id":"NVI-00014028","kind":"vulnerability","title":"Open WebUI: Any authenticated user can inject chats into another user's folder via chat completions","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-3pf7-q2g3-wj28","CVE-2026-87997"],"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-342dcf965317c08ddb5e7306a0d5a831"],"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":"2026-09-10T15:10:05.000Z","value":"4.3 medium","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-342dcf965317c08ddb5e7306a0d5a831"}],"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-342dcf965317c08ddb5e7306a0d5a831","url":"https://github.com/advisories/GHSA-3pf7-q2g3-wj28","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-3pf7-q2g3-wj28","publisher":"GitHub Advisory Database","observed_at":"2026-11-01T22:54:12.705Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-342dcf965317c08ddb5e7306a0d5a831"],"technology":"open-webui","known_exclusions":[],"conditions_summary":"## Summary\nThe chat-completions endpoint reads a folder id out of the request body and saves the newly created chat into that folder without checking that the caller is allowed to write there. Any authenticated user who knows a folder's id can put a chat of their own into another user's folder, including a shared folder where they hold read-only access and a folder they have no access to at all. The chat then shows up in that folder for everyone who can read it, under a title and with content the attacker controls. The dedicated chat-creation and chat-move endpoints already enforced this check, the chat-completions path did not.\n\n## Preconditions\n- An authenticated account of any role. No elevated permission, no admin involvement.\n- Folders enabled, which is the default (`ENABLE_FOLDERS=true`, `USER_PERMISSIONS_FEATURES_FOLDERS=true`).\n- The attacker needs the target folder's id. A member of a shared folder gets it from the shared-folder listing. Sharing a folder with named users is available to ordinary users by default; only wildcard public sharing is gated. A folder that was never shared has an id the attacker cannot obtain through any endpoint available to them, so those folder","public_affected_ranges":[">= 0.10.0, < 0.11.1"]}],"null_published_at":"2026-11-02T10:00:37.198Z","source_updated_at":"2026-09-10T15:10:05.000Z","source_disclosed_at":"2026-09-10T15:10:04.000Z","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":"2026-11-01T22:54:12.705Z"}],"next_cursor":null,"snapshot_revision":"42594"}