{"cve":"CVE-2026-73293","nvd":{"published":"2026-08-12T16:17:22.493","modified":"2026-10-24T15:10:00.190","status":"Deferred","description":"Semaphore UI is a web interface for managing DevOps tools.  Prior to 2.18.19 and from 2.19.0-alpha3 until 2.19.5-beta5, ProjectMiddleware and GetProjectOrGlobalRoleBySlug allow a project manager to use POST /api/project/{id}/roles to create a custom manager role with permission bitmask 15, overriding the built-in manager permissions and granting CanUpdateProject and CanManageProjectUsers owner capabilities. This issue is fixed in versions 2.18.19 and 2.19.5-beta5.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-269"],"references":["https://github.com/semaphoreui/semaphore/commit/1c4bb65df114962134f8829d4a03667106a01a68","https://github.com/semaphoreui/semaphore/commit/bb2a4e1f08c8023e618f8dd6eaca73554f2c33bb","https://github.com/semaphoreui/semaphore/releases/tag/v2.18.19","https://github.com/semaphoreui/semaphore/releases/tag/v2.19.5-beta5","https://github.com/semaphoreui/semaphore/security/advisories/GHSA-cxvf-gvfq-36w2"],"products":[],"source":"nvd","synced_at":"2026-10-24T16:53:35.584907681+00:00"},"epss":{"cve":"CVE-2026-73293","score":0.00569,"percentile":0.4685,"date":"2026-10-25"},"kev":null,"osv":[{"id":"GHSA-cxvf-gvfq-36w2","url":"https://osv.dev/vulnerability/GHSA-cxvf-gvfq-36w2","summary":"Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision","modified":"2026-09-10T15:25:39.766469356Z","packages":[{"ecosystem":"Go","name":"github.com/semaphoreui/semaphore","purl":"pkg:golang/github.com/semaphoreui/semaphore","ranges":["<0.0.0-20260705182501-bb2a4e1f08c8"],"fixed":["0.0.0-20260705182501-bb2a4e1f08c8"]}]},{"id":"GO-2026-6371","url":"https://osv.dev/vulnerability/GO-2026-6371","summary":"Semaphore UI: Manager-to-owner privilege escalation via custom-role slug collision in github.com/semaphoreui/semaphore","modified":"2026-09-10T15:15:13.560959261Z","packages":[{"ecosystem":"Go","name":"github.com/semaphoreui/semaphore","purl":"pkg:golang/github.com/semaphoreui/semaphore","ranges":["<0.0.0-20260705182501-bb2a4e1f08c8"],"fixed":["0.0.0-20260705182501-bb2a4e1f08c8"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}