{"action":"Upgrade backpropagate to 1.2.0 or later.","affected":[{"fixed":"1.2.0","introduced":"1.1.0"}],"component":"backpropagate","cve_ids":["CVE-2026-48797"],"ecosystem":"PyPI","epss":0.00324,"exploited":false,"fixed_versions":["1.2.0"],"ghsa_id":"GHSA-f65r-h4g3-3h9h","id":"tcs_01M5KFEK69VBDQK6BSRWERB8A9","modified_at":"2026-10-27T16:30:07.520755720Z","published_at":"2026-06-26T20:34:29Z","references":["https://osv.dev/vulnerability/GHSA-f65r-h4g3-3h9h","https://github.com/mcp-tool-shop-org/backpropagate/security/advisories/GHSA-f65r-h4g3-3h9h","https://nvd.nist.gov/vuln/detail/CVE-2026-48797","https://github.com/mcp-tool-shop-org/backpropagate","https://github.com/mcp-tool-shop-org/backpropagate/releases/tag/v1.2.0","https://github.com/pypa/advisory-database/tree/main/vulns/backpropagate/PYSEC-2026-291.yaml","https://pypi.org/project/backpropagate"],"severity":{"label":"critical","score":9.3},"sources":[{"source":"osv","source_id":"GHSA-f65r-h4g3-3h9h","url":"https://osv.dev/vulnerability/GHSA-f65r-h4g3-3h9h"},{"source":"nvd","source_id":"CVE-2026-48797","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-48797"}],"summary":"Backpropagate: backprop ui --auth and backprop ui --share do not enforce authentication"}