{"id":"CVE-2026-107366","revision":"620df79d638b4ea2856a231a1748f04a","records":[{"revision":"620df79d638b4ea2856a231a1748f04a","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-107366","aliases":[],"title":"Langflow OSS Authorization Bypass Through User-Controlled Key","description":"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.","state":0,"publishedAt":"2026-10-19T23:49:23.12+00:00","modifiedAt":"2026-10-21T03:56:18.876+00:00","affected":[{"ecosystem":"Vendor product","name":"Langflow OSS","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"IBM\",\n                    \"product\": \"Langflow OSS\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"1.0.0\",\n                            \"lessThanOrEqual\": \"1.12.4\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"cpes\": [\n                        \"cpe:2.3:a:ibm:langflow_oss:1.0.0:*:*:*:*:*:*:*\",\n                        \"cpe:2.3:a:ibm:langflow_oss:1.12.4:*:*:*:*:*:*:*\"\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L","score":8.3,"severity":"HIGH"}],"references":["https://www.ibm.com/support/pages/node/7293016"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-107366","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-107366","identifiers":["CVE-2026-107366"]},"retained":false,"historicalAffected":[]}],"coverage":[]}