{"id":"GHSA-h889-475r-wfmm","summary":"Backend.AI Missing Authorization vulnerability","details":"Missing Authorization in Lablup's BackendAI allows attackers to takeover all active sessions; Accessing, stealing, or altering any data accessible in the session. This vulnerability exists in all current versions of BackendAI.\n\nNOTE: The maintainers of BackendAI do not consider this report to fit with their threat model and advise users to follow security advice from https://github.com/lablup/backend.ai/pull/7587 in their instances to protect themselves from the conditions that would lead to the situation described in the CVE record.","aliases":["CVE-2025-49651","PYSEC-2026-1210"],"modified":"2026-07-07T17:57:28.696907920Z","published":"2025-06-09T18:32:17Z","database_specific":{"nvd_published_at":"2025-06-09T18:15:26Z","cwe_ids":["CWE-862"],"severity":"HIGH","github_reviewed":true,"github_reviewed_at":"2025-06-11T16:51:42Z"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-49651"},{"type":"WEB","url":"https://github.com/lablup/backend.ai/pull/7587"},{"type":"PACKAGE","url":"https://github.com/lablup/backend.ai"},{"type":"WEB","url":"https://hiddenlayer.com/sai_security_advisor/2025-05-backendai-49653"},{"type":"WEB","url":"https://hiddenlayer.com/sai_security_advisor/2025-06-backendai"}],"affected":[{"package":{"name":"backend-ai","ecosystem":"PyPI","purl":"pkg:pypi/backend-ai"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"25.3.3"}]}],"versions":["1.0.0","1.0.1","1.0.2","1.1.0","1.2.0","1.3.0","1.4.0","18.12.0","19.3.0","19.3.0a1","19.9.0","20.3.0","20.3.1","20.9.0","20.9.0a1.dev0","21.3.0","22.3.0"],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2025/06/GHSA-h889-475r-wfmm/GHSA-h889-475r-wfmm.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}