{"schema":"threatline.record/2","record":{"id":"CVE-2026-107366","aliases":[],"summary":"Langflow OSS Authorization Bypass Through User-Controlled Key","details":"IBM Langflow OSS 1.0.0 through 1.12.4 contains three message endpoints that perform no ownership verification. Any authenticated user can bulk-delete another user's messages, overwrite message content to inject malicious prompts, or hijack an entire conversation session by reassigning its session ID.","categories":["Applications & CMS"],"product":"Langflow OSS","vendor":"IBM","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-107366","source_modified_at":"2026-10-21T03:56:18.876Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Langflow OSS","vendor":"IBM","versions":[{"status":"affected","version":"1.0.0","lessThanOrEqual":"1.12.4","versionType":"semver"}],"defaultStatus":null}],"fixed_versions":[],"cvss":8.3,"severity":"High","kev":{"listed":false},"epss":{"probability":0.00219,"percentile":0.11776,"score_date":"2026-10-23"},"published_at":"2026-10-19T23:49:23.120Z","modified_at":"2026-10-21T03:56:18.876Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-107366","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T03:56:18.876Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-107366","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://www.ibm.com/support/pages/node/7293016","tags":["vendor-advisory","patch"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CVE List","ssvc":{"exploitation":"none","automatable":"no","technical_impact":"total","assessed_at":"2026-10-20T00:00:00+00:00"},"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T03:56:18.876Z","content_hash":"f691de1b20c02c93ebf10c21f75b69dcbc979ab05bdf3f8f5621102268fc6f89"}}