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CVE-2026-59207

n8n is an open source workflow automation platform. Prior to 2.27.4 and 2.28.1, the AI Agents feature did not enforce the Allowed HTTP Request Domains restriction configured on credentials when an MCP tool was pointed at an arbitrary URL, allowing a member-level user with use-only access to a shared credential to send its secret to an external server they control. This issue is fixed in versions 2.27.4 and 2.28.1.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:2243763ff3f31d43ec3f78aa285add0191ef545592d9a8f7a9f307e930305017
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"n8n","vendor":"n8n-io","versions":[{"status":"affected","version":">= 2.28.0, < 2.28.1"},{"status":"affected","version":"< 2.27.4"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":7.1,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"HIGH","subIntegrityImpact":"LOW","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:N/SC:H/SI:L/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:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-693","description":"CWE-693: Protection Mechanism Failure","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4","tags":["x_refsource_MISC"],"url":"https://github.com/n8n-io/n8n/releases/tag/n8n%402.27.4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /containers/cna/references/1
{"name":"https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1","tags":["x_refsource_MISC"],"url":"https://github.com/n8n-io/n8n/releases/tag/n8n%402.28.1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /containers/cna/references/2
{"name":"https://github.com/n8n-io/n8n/security/advisories/GHSA-h44j-f5r5-ph73","tags":["x_refsource_CONFIRM"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-h44j-f5r5-ph73"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cdd5dfb70e9f2ea98f5ec91ad3c234dbbcb8960a07c04c333a6c342eca4bdff0 · sha256:3d6fb74bf90c1ef9… · /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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