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CVE-2026-65016

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a privilege escalation vulnerability in Enterprise SSO instance-role provisioning. The provisioning path maps an IdP-asserted role claim to an n8n global role but does not prevent assignment of the global:owner role (unlike the token-exchange identity path, which rejects it). An SSO-authenticated user whose instance-role claim resolves to global:owner is provisioned as instance owner, gaining full administrative control over workflows, cre
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7d0a77bb460fe8d4c43c156235f2f6717bd26b4c1ce0c3f5df4a0110bfc29416
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 3 assertions

{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"2.30.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.30.1","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/1

{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"2.29.8","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.29.8","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/2

{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"1.123.64","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.123.64","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/0

Affected products and versions

3 source assertions
{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"2.30.1","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.30.1","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/1
{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"2.29.8","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"2.29.8","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/2
{"defaultStatus":"unaffected","packageURL":"pkg:npm/n8n","product":"n8n","vendor":"n8n-io","versions":[{"lessThan":"1.123.64","status":"affected","version":"0","versionType":"semver"},{"status":"unaffected","version":"1.123.64","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.7,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-639","description":"Authorization Bypass Through User-Controlled Key","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"GitHub Security Advisory (GHSA-35q8-9mj6-wjmf)","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-35q8-9mj6-wjmf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /containers/cna/references/0
{"name":"VulnCheck Advisory: n8n before 1.123.64 Privilege Escalation via SSO Instance-Role","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-before-privilege-escalation-via-sso-instance-role"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:a8cb6ccd4687cb7b9be9e3e5287ee271648174d0977ac81c152f04fa04a8cc38 · sha256:1a1562563f49a884… · /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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