{"id":"CVE-2026-101063","summary":"Obot before v0.23.0 Authentication Bypass via Registry API","details":"Obot versions before v0.23.0 fail to enforce authentication on MCP Registry endpoints under /v0.1/* when registry authentication is enabled. Unauthenticated attackers can read registry metadata including server names, descriptions, repository URLs, and connect URLs by sending GET requests to /v0.1/servers.","aliases":["GHSA-pr6h-vr44-xq8j","GO-2026-6525"],"modified":"2026-09-29T03:45:52.262971163Z","published":"2026-09-27T20:49:54.677Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101063.json","cna_assigner":"VulnCheck","cwe_ids":["CWE-862"]},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/101xxx/CVE-2026-101063.json"},{"type":"ADVISORY","url":"https://github.com/obot-platform/obot/security/advisories/GHSA-pr6h-vr44-xq8j"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-101063"},{"type":"ADVISORY","url":"https://www.vulncheck.com/advisories/obot-before-0.23.0-authentication-bypass-via-registry-api"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/obot-platform/obot","events":[{"introduced":"0"},{"fixed":"1d4b687e66fce41dd059e1005501623e021ac27f"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"0.23.0"},{"fixed":"v0.23.0"}],"source":["AFFECTED_FIELD","DESCRIPTION"]}}],"versions":["v0.23.0-rc5","v0.23.0-rc4","v0.23.0-rc3","v0.23.0-rc2","v0.23.0-rc1","v0.22.1","v0.22.0","v0.22.0-rc3","v0.22.0-rc2","v0.22.0-rc1","v0.22.0-alpha8","v0.22.0-alpha7","v0.22.0-alpha6","v0.22.0-alpha5","v0.22.0-alpha4","v0.22.0-alpha3","v0.22.0-alpha2","v0.22.0-alpha1","v0.21.0","v0.21.0-rc2","v0.21.0-rc1","v0.20.1","v0.20.0","v0.20.0-rc2","v0.20.0-rc1","v0.19.0-rc1","v0.19.0","v0.18.2-rc1","v0.18.1","v0.18.0","v0.18.0-rc1","v0.17.1","v0.17.0","v0.17.0-rc2","v0.17.0-rc1","v0.16.2","v0.16.1","v0.16.0-rc1","v0.16.0","v0.15.1-rc1","v0.15.1","v0.15.0","v0.15.0-rc1","v0.13.0-rc2","v0.13.0","v0.13.0-rc1","v0.12.0","v0.12.0-rc1","v0.11.0","v0.11.0-rc1","v0.10.0","v0.9.1-rc1","v0.9.0","v0.9.0-rc1","v0.8.0","v0.8.0-rc3","v0.8.0-rc2","v0.8.0-rc1","v0.7.1","v0.7.0","v0.6.1","v0.6.0","v0.5.2","v0.5.1","v0.5.0","v0.4.0","v0.4.0-rc1","v0.3.0","v0.2.1","v0.2.0","v0.2.0-rc1","v0.1.0","v0.1.0-rc4","v0.1.0-rc3","v0.1.0-rc2","v0.1.0-rc1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-101063.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N"}]}