{"items":[{"id":"NVI-00014053","kind":"vulnerability","title":"Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-cxvf-gvfq-36w2","CVE-2026-73293"],"plain_summary":"GitHub lists this reviewed advisory for github.com/semaphoreui/semaphore. 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-02d6a563ca486c83c2aa8a38edad8a51"],"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":"2026-09-03T19:23:44.000Z","value":"8.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-397edb49f898b83e485c98a7056311db"},{"kind":"CVSS","as_of":"2026-10-24T15:10:00.190Z","value":"8.8 HIGH (3.1)","meaning":"security-advisories@github.com severity; no combined Null risk score.","source_id":"sr-6627ad7c89b77db5cbd5a30101d0b1df"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.569%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.47172. Missing scores are unknown.","source_id":"sr-02d6a563ca486c83c2aa8a38edad8a51"}],"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-397edb49f898b83e485c98a7056311db","url":"https://github.com/advisories/GHSA-cxvf-gvfq-36w2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cxvf-gvfq-36w2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:29.477Z"},{"id":"sr-6627ad7c89b77db5cbd5a30101d0b1df","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-73293","basis":"official_catalog","notes":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","title":"CVE-2026-73293","publisher":"NIST National Vulnerability Database","observed_at":"2026-11-08T19:45:24.870Z"},{"id":"sr-02d6a563ca486c83c2aa8a38edad8a51","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-2026-73293","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.079Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-397edb49f898b83e485c98a7056311db"],"technology":"github.com/semaphoreui/semaphore","known_exclusions":[],"conditions_summary":"## Summary\n\nSemaphore resolves a project member's effective permissions in `ProjectMiddleware` by looking up a role row whose slug matches the member's assigned role, and overwrites the built-in permission bitmask with that row's value. A member holding the built-in `manager` role creates a custom project role through `POST /api/project/{id}/roles`, a route gated only by the `CanManageProjectResources` permission that `manager` already holds.\n\nThe role-creation validator does not reserve the built-in slug names (`owner`, `manager`, `task_runner`, `guest`) and sets no ceiling on the permission bits a caller may grant. A manager creates a role with slug `manager` carrying the full bitmask `15`, including the two owner-only bits `CanUpdateProject` and `CanManageProjectUsers` that `manager` does not hold. The slug lookup that backs permission resolution ignores project scope, so this attacker-created row is returned on the next request and the manager's effective permissions become owner-equivalent.\n\nResult: a project manager escalates to full owner of the project with one authenticated request, then adds or removes members, changes project settings, deletes the project, or demotes the","public_affected_ranges":["< 0.0.0-20260705182501-bb2a4e1f08c8"]}],"null_published_at":"2026-11-08T19:53:44.064Z","source_updated_at":"2026-09-03T19:23:44.000Z","source_disclosed_at":"2026-09-03T19:23:42.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-11-02T02:21:29.477Z"},{"id":"NVI-00014053","kind":"vulnerability","title":"Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cxvf-gvfq-36w2","CVE-2026-73293"],"plain_summary":"GitHub lists this reviewed advisory for github.com/semaphoreui/semaphore. 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-02d6a563ca486c83c2aa8a38edad8a51"],"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":"2026-09-03T19:23:44.000Z","value":"8.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-397edb49f898b83e485c98a7056311db"},{"kind":"EPSS","as_of":"2026-11-03T12:00:27.000Z","value":"0.569%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.47172. Missing scores are unknown.","source_id":"sr-02d6a563ca486c83c2aa8a38edad8a51"}],"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-397edb49f898b83e485c98a7056311db","url":"https://github.com/advisories/GHSA-cxvf-gvfq-36w2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cxvf-gvfq-36w2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:29.477Z"},{"id":"sr-02d6a563ca486c83c2aa8a38edad8a51","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-2026-73293","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:45:16.079Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-397edb49f898b83e485c98a7056311db"],"technology":"github.com/semaphoreui/semaphore","known_exclusions":[],"conditions_summary":"## Summary\n\nSemaphore resolves a project member's effective permissions in `ProjectMiddleware` by looking up a role row whose slug matches the member's assigned role, and overwrites the built-in permission bitmask with that row's value. A member holding the built-in `manager` role creates a custom project role through `POST /api/project/{id}/roles`, a route gated only by the `CanManageProjectResources` permission that `manager` already holds.\n\nThe role-creation validator does not reserve the built-in slug names (`owner`, `manager`, `task_runner`, `guest`) and sets no ceiling on the permission bits a caller may grant. A manager creates a role with slug `manager` carrying the full bitmask `15`, including the two owner-only bits `CanUpdateProject` and `CanManageProjectUsers` that `manager` does not hold. The slug lookup that backs permission resolution ignores project scope, so this attacker-created row is returned on the next request and the manager's effective permissions become owner-equivalent.\n\nResult: a project manager escalates to full owner of the project with one authenticated request, then adds or removes members, changes project settings, deletes the project, or demotes the","public_affected_ranges":["< 0.0.0-20260705182501-bb2a4e1f08c8"]}],"null_published_at":"2026-11-04T10:04:41.538Z","source_updated_at":"2026-09-03T19:23:44.000Z","source_disclosed_at":"2026-09-03T19:23:42.000Z","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":"2026-11-02T02:21:29.477Z"},{"id":"NVI-00014053","kind":"vulnerability","title":"Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-cxvf-gvfq-36w2","CVE-2026-73293"],"plain_summary":"GitHub lists this reviewed advisory for github.com/semaphoreui/semaphore. 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-397edb49f898b83e485c98a7056311db"],"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":"2026-09-03T19:23:44.000Z","value":"8.8 high","meaning":"GitHub source severity; exploitability and local consequence require separate evidence.","source_id":"sr-397edb49f898b83e485c98a7056311db"}],"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-397edb49f898b83e485c98a7056311db","url":"https://github.com/advisories/GHSA-cxvf-gvfq-36w2","basis":"vendor_advisory","notes":"GitHub Advisory Database; CC-BY-4.0. Each advisory links its original attribution. Null normalizes fields.","title":"GHSA-cxvf-gvfq-36w2","publisher":"GitHub Advisory Database","observed_at":"2026-11-02T02:21:29.477Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-397edb49f898b83e485c98a7056311db"],"technology":"github.com/semaphoreui/semaphore","known_exclusions":[],"conditions_summary":"## Summary\n\nSemaphore resolves a project member's effective permissions in `ProjectMiddleware` by looking up a role row whose slug matches the member's assigned role, and overwrites the built-in permission bitmask with that row's value. A member holding the built-in `manager` role creates a custom project role through `POST /api/project/{id}/roles`, a route gated only by the `CanManageProjectResources` permission that `manager` already holds.\n\nThe role-creation validator does not reserve the built-in slug names (`owner`, `manager`, `task_runner`, `guest`) and sets no ceiling on the permission bits a caller may grant. A manager creates a role with slug `manager` carrying the full bitmask `15`, including the two owner-only bits `CanUpdateProject` and `CanManageProjectUsers` that `manager` does not hold. The slug lookup that backs permission resolution ignores project scope, so this attacker-created row is returned on the next request and the manager's effective permissions become owner-equivalent.\n\nResult: a project manager escalates to full owner of the project with one authenticated request, then adds or removes members, changes project settings, deletes the project, or demotes the","public_affected_ranges":["< 0.0.0-20260705182501-bb2a4e1f08c8"]}],"null_published_at":"2026-11-02T10:00:37.201Z","source_updated_at":"2026-09-03T19:23:44.000Z","source_disclosed_at":"2026-09-03T19:23:42.000Z","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":"2026-11-02T02:21:29.477Z"}],"next_cursor":null,"snapshot_revision":"42594"}