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CVE-2026-46442

Flowise is a drag & drop user interface to build a customized large language model flow. Prior to version 3.1.2, POST /api/v1/node-custom-function lacks route-level authorization, allowing any authenticated user or API key to submit arbitrary JavaScript to the Custom JS Function node. When E2B_APIKEY is not configured — the common deployment case — Flowise executes this code inside a NodeVM sandbox. This sandbox can be escaped, allowing an attacker to reach the host process object and execute sy
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:36bbf9c3916a177114861e289dec48b46a1cd3cb21ca11369570859601c196a1
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"Flowise","vendor":"FlowiseAI","versions":[{"status":"affected","version":"< 3.1.2"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-94","description":"CWE-94: Improper Control of Generation of Code ('Code Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2","tags":["x_refsource_MISC"],"url":"https://github.com/FlowiseAI/Flowise/releases/tag/flowise%403.1.2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /containers/cna/references/1
{"tags":["exploit"],"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /containers/adp/0/references/0
{"name":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2","tags":["x_refsource_CONFIRM"],"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9rvc-vf7m-pgm2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ef5322d62611a8030708d7cbb5f7f989782c05e47e3c09ba620e780800fb98a5 · sha256:cf19224f31a9a737… · /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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