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CVE-2026-56275

Flowise before 3.1.0 contains a server-side request forgery vulnerability in the Execute Flow node that allows attackers to bypass security validation by providing intranet addresses through the base URL field. Attackers can initiate HTTP requests to internal network addresses, access cloud metadata, and enumerate internal services by exploiting the missing secureFetch verification in httpSecurity.ts.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:1e0e028573759a1490578adeaff4e61856b89c14f619d94484c2e4fb9d9b2800
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","packageURL":"pkg:npm/flowise","product":"Flowise","vendor":"Flowise","versions":[{"lessThan":"3.1.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.1.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/affected/0

{"defaultStatus":"unaffected","packageURL":"pkg:npm/flowise-components","product":"Flowise","vendor":"Flowise","versions":[{"lessThan":"3.1.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.1.0","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","packageURL":"pkg:npm/flowise","product":"Flowise","vendor":"Flowise","versions":[{"lessThan":"3.1.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.1.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/affected/0
{"defaultStatus":"unaffected","packageURL":"pkg:npm/flowise-components","product":"Flowise","vendor":"Flowise","versions":[{"lessThan":"3.1.0","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"3.1.0","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"HIGH","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"LOW"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-918","description":"Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"GitHub Security Advisory (GHSA-9hrv-gvrv-6gf2)","tags":["vendor-advisory"],"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-9hrv-gvrv-6gf2"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Flowise - Server-Side Request Forgery via Execute Flow Base URL","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/flowise-server-side-request-forgery-via-execute-flow-base-url"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d479a8cbaec5806900f9d76ce8f89d823810529acaa02bfed3b7f3e49cdd7922 · sha256:8f71da0133137570… · /containers/cna/references/1

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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