{"items":[{"id":"NVI-00012134","kind":"vulnerability","title":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts)","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9rg3-v78m-26q8","CVE-2026-91983"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-1846204e8df2d5586f20f2fda26b431a"],"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":"EPSS","as_of":"2026-11-04T12:03:12.000Z","value":"0.305%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23402. Missing scores are unknown.","source_id":"sr-1846204e8df2d5586f20f2fda26b431a"}],"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-b278ffef0deb0445daf45f9904620a33","url":"https://github.com/advisories/GHSA-9rg3-v78m-26q8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9rg3-v78m-26q8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-1846204e8df2d5586f20f2fda26b431a","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-2026-91983","publisher":"FIRST EPSS","observed_at":"2026-11-04T23:33:33.080Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b278ffef0deb0445daf45f9904620a33"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nAPI token permission checks only match the HTTP method and route path. The `expand` query parameter on task read endpoints embeds data from other permission groups (task comments, reactions, time entry counts) without checking whether the token holds those scopes. A token scoped only to `tasks` read permissions can therefore read task comments and reactions it was explicitly not granted.\n\n## Details\n\n`models.CanDoAPIRoute` (`pkg/models/api_routes.go`, ~line 440) authorises API tokens purely by comparing `method` and `c.Path()` against the routes stored for each granted permission group. The query string is never consulted.\n\nThe task read endpoints accept `expand`:\n\n- `GET /api/v1/tasks/:task`, `GET /api/v1/tasks` (`pkg/models/tasks.go` ReadOne/ReadAll, `pkg/models/task_collection.go`)\n- `GET /api/v2/tasks/:id`, `GET /api/v2/tasks`, `GET /api/v2/projects/:project/tasks` (`pkg/routes/api/v2/tasks.go`, `task_collection.go`)\n\nAccepted values include `comments`, `comment_count`, `reactions`, `time_entries_count`. `addMoreInfoToTasks` (`pkg/models/tasks.go`, ~line 683) loads and embeds that data. At that layer only a `web.Auth` (the plain owner user, resolved by `auth.GetAuth","public_affected_ranges":[">= 1.0.0, <= 2.5.0"]}],"null_published_at":"2026-11-08T19:53:38.943Z","source_updated_at":"2026-10-09T20:51:53.000Z","source_disclosed_at":"2026-10-09T20:51:52.000Z","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":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00012134","kind":"vulnerability","title":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9rg3-v78m-26q8","CVE-2026-91983"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-43e05727d8016807ca0325b6dc4db886"],"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":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.305%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.23303. Missing scores are unknown.","source_id":"sr-43e05727d8016807ca0325b6dc4db886"}],"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-b278ffef0deb0445daf45f9904620a33","url":"https://github.com/advisories/GHSA-9rg3-v78m-26q8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9rg3-v78m-26q8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"},{"id":"sr-43e05727d8016807ca0325b6dc4db886","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-2026-91983","publisher":"FIRST EPSS","observed_at":"2026-11-01T01:39:43.089Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b278ffef0deb0445daf45f9904620a33"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nAPI token permission checks only match the HTTP method and route path. The `expand` query parameter on task read endpoints embeds data from other permission groups (task comments, reactions, time entry counts) without checking whether the token holds those scopes. A token scoped only to `tasks` read permissions can therefore read task comments and reactions it was explicitly not granted.\n\n## Details\n\n`models.CanDoAPIRoute` (`pkg/models/api_routes.go`, ~line 440) authorises API tokens purely by comparing `method` and `c.Path()` against the routes stored for each granted permission group. The query string is never consulted.\n\nThe task read endpoints accept `expand`:\n\n- `GET /api/v1/tasks/:task`, `GET /api/v1/tasks` (`pkg/models/tasks.go` ReadOne/ReadAll, `pkg/models/task_collection.go`)\n- `GET /api/v2/tasks/:id`, `GET /api/v2/tasks`, `GET /api/v2/projects/:project/tasks` (`pkg/routes/api/v2/tasks.go`, `task_collection.go`)\n\nAccepted values include `comments`, `comment_count`, `reactions`, `time_entries_count`. `addMoreInfoToTasks` (`pkg/models/tasks.go`, ~line 683) loads and embeds that data. At that layer only a `web.Auth` (the plain owner user, resolved by `auth.GetAuth","public_affected_ranges":[">= 1.0.0, <= 2.5.0"]}],"null_published_at":"2026-11-01T22:58:19.122Z","source_updated_at":"2026-10-09T20:51:53.000Z","source_disclosed_at":"2026-10-09T20:51:52.000Z","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":"2026-10-31T23:14:22.124Z"},{"id":"NVI-00012134","kind":"vulnerability","title":"Vikunja: API token scopes bypassed via task expand parameter (comments, reactions, time entry counts)","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-9rg3-v78m-26q8","CVE-2026-91983"],"plain_summary":"GitHub lists this reviewed advisory for code.vikunja.io/api. 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-b278ffef0deb0445daf45f9904620a33"],"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":[],"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-b278ffef0deb0445daf45f9904620a33","url":"https://github.com/advisories/GHSA-9rg3-v78m-26q8","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-9rg3-v78m-26q8","publisher":"GitHub Advisory Database","observed_at":"2026-10-31T23:14:22.124Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-b278ffef0deb0445daf45f9904620a33"],"technology":"code.vikunja.io/api","known_exclusions":[],"conditions_summary":"## Summary\n\nAPI token permission checks only match the HTTP method and route path. The `expand` query parameter on task read endpoints embeds data from other permission groups (task comments, reactions, time entry counts) without checking whether the token holds those scopes. A token scoped only to `tasks` read permissions can therefore read task comments and reactions it was explicitly not granted.\n\n## Details\n\n`models.CanDoAPIRoute` (`pkg/models/api_routes.go`, ~line 440) authorises API tokens purely by comparing `method` and `c.Path()` against the routes stored for each granted permission group. The query string is never consulted.\n\nThe task read endpoints accept `expand`:\n\n- `GET /api/v1/tasks/:task`, `GET /api/v1/tasks` (`pkg/models/tasks.go` ReadOne/ReadAll, `pkg/models/task_collection.go`)\n- `GET /api/v2/tasks/:id`, `GET /api/v2/tasks`, `GET /api/v2/projects/:project/tasks` (`pkg/routes/api/v2/tasks.go`, `task_collection.go`)\n\nAccepted values include `comments`, `comment_count`, `reactions`, `time_entries_count`. `addMoreInfoToTasks` (`pkg/models/tasks.go`, ~line 683) loads and embeds that data. At that layer only a `web.Auth` (the plain owner user, resolved by `auth.GetAuth","public_affected_ranges":[">= 1.0.0, <= 2.5.0"]}],"null_published_at":"2026-11-01T01:04:01.244Z","source_updated_at":"2026-10-09T20:51:53.000Z","source_disclosed_at":"2026-10-09T20:51:52.000Z","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":"2026-10-31T23:14:22.124Z"}],"next_cursor":null,"snapshot_revision":"42594"}