{"schema":"threatline.record/2","record":{"id":"CVE-2026-108865","aliases":[],"summary":"AmoyLab Unla through 0.10.0 OAuth2 Authentication Bypass via /authorize","details":"AmoyLab Unla through 0.10.0 contains an authentication bypass vulnerability that allows unauthenticated attackers to obtain valid access tokens because the OAuth2 server never authenticates a resource owner. Attackers can register a client, request a code from /authorize, and exchange it at /token to access OAuth2-protected MCP prefixes, proxied upstream APIs and injected credentials.","categories":["Unclassified"],"product":"Unla","vendor":"AmoyLab","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-108865","source_modified_at":"2026-10-14T16:48:20.518Z","fetched_at":"2026-10-23T18:48:36.087640Z","product":"Unla","vendor":"AmoyLab","versions":[{"version":"0","status":"affected","lessThanOrEqual":"0.10.0","versionType":"semver"}],"defaultStatus":"unaffected"}],"fixed_versions":[],"cvss":8.8,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00324,"percentile":0.24205,"score_date":"2026-10-23"},"published_at":"2026-10-11T13:26:10.714Z","modified_at":"2026-10-14T16:48:20.518Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-108865","fetched_at":"2026-10-23T18:48:36.087640Z","source_modified_at":"2026-10-14T16:48:20.518Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-108865","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/amoylab-unla-oauth-self-issued-token-authz","tags":["third-party-advisory"]},{"source":"CVE List","url":"https://github.com/AmoyLab/Unla/blob/v0.10.0/internal/auth/oauth.go#L86-L147","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/AmoyLab/Unla/blob/v0.10.0/internal/core/server.go#L229-L261","tags":["technical-description"]},{"source":"CVE List","url":"https://github.com/AmoyLab/Unla","tags":["product"]},{"source":"CVE List","url":"https://www.vulncheck.com/advisories/amoylab-unla-through-0.10.0-oauth2-authentication-bypass-via-authorize","tags":["third-party-advisory"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"yes","technical_impact":"partial","assessed_at":"2026-10-14T16:48:09.241053Z"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":null,"confidence":"unknown","reviewed":false},"change_timestamp":"2026-10-14T16:48:20.518Z","content_hash":"2aa89c5d81caea270283ab995e159f943d7114ae7d6e27c976494af97023d12d"}}