{"id":"CVE-2026-108718","revision":"8b1ab27b300a4685bea0a39de687e917","records":[{"revision":"8b1ab27b300a4685bea0a39de687e917","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-108718","aliases":[],"title":"Rill 0.77.0 through 0.90.5 OAuth Missing Authorization via Dynamic Client Registration","description":"Rill 0.77.0 through 0.90.5 contains a missing authorization vulnerability in the admin OAuth server that issues authorization codes to dynamically registered clients without user consent. Attackers can register a client with the long_lived_access_token scope and lure a user to an authorization link, obtaining a non-expiring API token with the user's full permissions.","state":0,"publishedAt":"2026-10-11T12:19:30.004+00:00","modifiedAt":"2026-10-18T11:53:06.974+00:00","affected":[{"ecosystem":"Vendor product","name":"rill","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Rill Data\",\n                    \"product\": \"rill\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.77.0\",\n                            \"lessThanOrEqual\": \"0.90.5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:github/rilldata/rill\",\n                    \"repo\": \"https://github.com/rilldata/rill\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N","score":8.6,"severity":"HIGH"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","score":8.1,"severity":"HIGH"}],"references":["https://hackmd.io/@haind03/rill-oauth-open-registration-long-lived-token","https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/handlers.go#L650-L697","https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/mcp_oauth.go#L77-L153","https://github.com/rilldata/rill/blob/b9ea8c6f215e56c4c0848771e70b3ec38346eacc/admin/server/auth/pkce.go#L173-L214","https://github.com/rilldata/rill","https://www.vulncheck.com/advisories/rill-0.77.0-through-0.90.5-oauth-missing-authorization-via-dynamic-client-registration"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-108718","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-108718","identifiers":["CVE-2026-108718"]},"retained":false,"historicalAffected":[]}],"coverage":[]}