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CVE-2026-33760

Langflow is a tool for building and deploying AI-powered agents and workflows. Prior to 1.9.0, Langflow's /api/v1/monitor router exposes 7 endpoints that perform read, write, and delete operations on user-owned resources — messages, sessions, build artifacts, and LLM transaction logs — without verifying that the authenticated requester owns the targeted resource. Any authenticated user can read, modify, rename, or permanently delete another user's data by supplying the target's resource ID or fl
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:73b014c575a60a848f91d61dc0d4e477d7254f4f4a8e4fa3c2a9315e96903305
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"langflow","vendor":"langflow-ai","versions":[{"status":"affected","version":"< 1.9.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7c94cf07dba9b24aa5748bc02c79fc6ed81e63b8963021f2bc49ac2437b764a3 · sha256:fc7a5ee14e393120… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:7c94cf07dba9b24aa5748bc02c79fc6ed81e63b8963021f2bc49ac2437b764a3 · sha256:fc7a5ee14e393120… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"CWE-639: Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:7c94cf07dba9b24aa5748bc02c79fc6ed81e63b8963021f2bc49ac2437b764a3 · sha256:fc7a5ee14e393120… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"name":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-9c59-2mvc-vfr8","tags":["x_refsource_CONFIRM"],"url":"https://github.com/langflow-ai/langflow/security/advisories/GHSA-9c59-2mvc-vfr8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7c94cf07dba9b24aa5748bc02c79fc6ed81e63b8963021f2bc49ac2437b764a3 · sha256:fc7a5ee14e393120… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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