{"data":{"id":"12ca8d05-4d10-4213-a0f5-d8996d421e88","title":"GHSA-9c59-2mvc-vfr8: Langflow: IDOR/BOLA in Monitor API — Missing Ownership Enforcement on 7 Endpoints ","summary":"Langflow's `/api/v1/monitor` router exposes seven endpoints that read, modify, rename or delete user-owned messages, sessions, build artifacts and LLM transaction logs without checking that the requester owns the target. Any authenticated user can act on another user's data by supplying a resource ID or `flow_id`, which is an IDOR/BOLA flaw. The source notes that `GET /monitor/messages` in the same file enforces ownership correctly, so the pattern existed but was applied inconsistently. The PoC was tested on Langflow v1.7.3.","solution":"N/A -- no mitigation discussed in source.","labels":["security"],"sourceUrl":"https://github.com/advisories/GHSA-9c59-2mvc-vfr8","publishedAt":"2026-06-16T17:34:21.000Z","cveId":"CVE-2026-33760","cweIds":null,"cvssScore":null,"cvssSeverity":"high","severity":"high","attackType":["other"],"issueType":"vulnerability","affectedPackages":["langflow@< 1.9.0 (fixed: 1.9.0)"],"affectedPackageNames":["langflow"],"affectedPackageRefs":["pypi:langflow"],"affectedVendors":[],"affectedVendorsRaw":["Langflow"],"classifierModel":"claude-haiku-5-5","classifierPromptVersion":"v4","summaryPromptVersion":"v2","headline":null,"headlinePromptVersion":null,"cvssVector":null,"attackVector":null,"attackComplexity":null,"privilegesRequired":null,"userInteraction":null,"exploitMaturity":"unknown","epssScore":0.00495,"epssCheckedAt":"2026-11-04T18:09:14.312Z","kevDateAdded":null,"advisoryAliases":["GHSA-9c59-2mvc-vfr8"],"affectedPackagesSource":null,"affectedPackagesCheckedAt":null,"patchAvailable":true,"disclosureDate":"2026-06-16T17:34:21.000Z","fixReleasedAt":"2026-04-14T22:39:34.554Z","daysToFix":-63,"fixCheckedAt":"2026-10-29T21:34:36.246Z","capecIds":null,"crossRefCount":0,"attackSophistication":"trivial","impactType":["confidentiality","integrity","availability"],"aiComponentTargeted":"api","llmSpecific":false,"classifierConfidence":0.93,"researchCategory":null,"atlasIds":null,"fixes":[{"ecosystem":"pypi","name":"langflow","fixedVersion":"1.9.0","matchedVersion":"1.9.0","fixReleasedAt":"2026-04-14T22:39:34.554Z","daysToFix":-63,"match":"ecosystem","source":"tracked","status":"found","checkedAt":"2026-10-29T21:34:36.099Z"}]}}