{"data":{"id":"a68518f7-81e9-41d9-aa65-d40309628e3f","title":"CVE-2026-12763: IBM Langflow OSS 1.0.0 through 1.11.5 could allow an authenticated attacker to access another user's MCP server context…","summary":"IBM Langflow OSS versions 1.0.0 through 1.11.5 contain a flaw in the MCP Tools component. An authenticated attacker can reach another user's MCP server context because cache keys are not properly isolated.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-12763","publishedAt":"2026-09-14T21:17:00.440Z","cveId":"CVE-2026-12763","cweIds":["CWE-306"],"cvssScore":"4.2","cvssSeverity":"medium","severity":"medium","attackType":["other"],"issueType":"vulnerability","affectedPackages":null,"affectedPackageNames":null,"affectedPackageRefs":null,"affectedVendors":[],"affectedVendorsRaw":["IBM Langflow OSS","Langflow MCP Tools component"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":"IBM Langflow OSS cross-user MCP server context access via cache key isolation","headlinePromptVersion":"h1","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","attackVector":"network","attackComplexity":"high","privilegesRequired":"low","userInteraction":"none","exploitMaturity":"unknown","epssScore":0.00188,"epssCheckedAt":"2026-11-04T12:08:35.001Z","kevDateAdded":null,"advisoryAliases":["GHSA-vhrg-69rg-gwv4"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":"2026-11-01T06:08:33.886Z","patchAvailable":null,"disclosureDate":"2026-09-14T21:17:00.440Z","fixReleasedAt":null,"daysToFix":null,"fixCheckedAt":null,"capecIds":["CAPEC-115"],"crossRefCount":0,"attackSophistication":"moderate","impactType":["confidentiality"],"aiComponentTargeted":"framework","llmSpecific":false,"classifierConfidence":0.9,"researchCategory":null,"atlasIds":null,"fixes":[]}}