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CVE-2026-65599

n8n versions before 1.123.64, 2.29.8, and 2.30.1 contain a credential exposure vulnerability: when configured with a Google Service Account key, the full PEM private key was mistakenly placed in the JWT header's kid field (intended only for a key identifier). Because JWT headers are Base64-encoded rather than encrypted, the private key could be recovered by anything that logged or inspected the JWT. An attacker who obtained the key could impersonate the service account and access or modify any G
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:8203ceef01b2e85836b9d921e59d5fca9b0446e428dbb5bfb6bbf2772d580b06
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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":5.1,"baseSeverity":"MEDIUM","privilegesRequired":"HIGH","subAvailabilityImpact":"LOW","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:N/VC:L/VI:N/VA:N/SC:H/SI:L/SA:L","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-312","description":"Cleartext Storage of Sensitive Information","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /containers/cna/problemTypes/0/descriptions/0

Source references

2 source assertions
{"name":"GitHub Security Advisory (GHSA-9r8p-h6cc-6qhm)","tags":["vendor-advisory"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9r8p-h6cc-6qhm"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /containers/cna/references/0
{"name":"VulnCheck Advisory: n8n before 1.123.64 Credential Exposure via JWT Header","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/n8n-before-credential-exposure-via-jwt-header"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f762012262c4158ee934c07d536a7a3cab334f72709c4ac8590fd4aa4f7d66df · sha256:089a6e7e04ff66ef… · /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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