{"data":{"id":"b82f1aee-fb4f-4e74-952c-915970c2281a","title":"CVE-2026-8446: IBM Langflow OSS 1.0.0 through 1.10.3 contain an authentication bypass vulnerability in the Model Context Protocol…","summary":"CVE-2026-8446 is an authentication bypass in IBM Langflow OSS versions 1.0.0 through 1.10.3. The flaw sits in the Model Context Protocol (MCP) composer endpoint when mcp_composer_enabled=true, which is the default, and projects are configured with auth_type=oauth. It is classified as CWE-306, Missing Authentication for Critical Function, and IBM is the listed source. NVD had not yet provided an assessment at the time of the source text.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-8446","publishedAt":"2026-08-05T17:16:55.983Z","cveId":"CVE-2026-8446","cweIds":["CWE-306"],"cvssScore":"7.5","cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["IBM Langflow OSS"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"IBM Langflow OSS authentication bypass in MCP composer endpoint","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","attackVector":"network","attackComplexity":"low","privilegesRequired":"none","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00489,"epssCheckedAt":"2026-11-10T00:11:22.787Z","kevDateAdded":null,"advisoryAliases":null,"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-09T12:10:58.618Z","patchAvailable":null,"disclosureDate":"2026-08-05T17:16:55.983Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-115"],"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.85,"researchCategory":null,"atlasIds":null,"fixes":[]}}