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CVE-2026-56270

Flowise before 3.1.0 (versions 3.0.13 and earlier) contains a missing authentication vulnerability in the /api/v1/loginmethod endpoint that allows unauthenticated users to retrieve an organization's complete SSO configuration, including OAuth client secrets in cleartext, by providing an organizationId parameter. Remote attackers can send a GET request to harvest sensitive API credentials for Google, Microsoft/Azure, GitHub, and Auth0 integrations. This affects FlowiseAI Cloud and self-hosted ins
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d8711333695be0c3168b4591deb8c6fd68e0c3b120a7307a3b1965d968616c6
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cvss · 2 assertions

{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/metrics/1/cvssV3_1

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/metrics/0/cvssV4_0

Affected products and versions

1 source assertion
{"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:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/affected/0

Provider-owned CVSS observations

2 source assertions
{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.5,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/metrics/1/cvssV3_1
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.7,"baseSeverity":"HIGH","privilegesRequired":"NONE","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-306","description":"Missing Authentication for Critical Function","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"tags":["exploit"],"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/adp/0/references/0
{"name":"GitHub Security Advisory (GHSA-6pcv-j4jx-m4vx)","tags":["vendor-advisory"],"url":"https://github.com/FlowiseAI/Flowise/security/advisories/GHSA-6pcv-j4jx-m4vx"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /containers/cna/references/0
{"name":"VulnCheck Advisory: Flowise - Unauthenticated OAuth Secrets Disclosure via /api/v1/loginmethod Endpoint","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/flowise-unauthenticated-oauth-secrets-disclosure-via-api-v1-loginmethod-endpoint"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:4c3c414489e8b45434fb271cf846569aed5a7979148f2d54da61a376e322e61c · sha256:f8901d6ed575f84b… · /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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