CVE Explorer

CVE-2026-44789

n8n is an open source workflow automation platform. Prior to 1.123.43, 2.22.1, and 2.20.7, an authenticated user with permission to create or modify workflows could achieve global prototype pollution via an unvalidated pagination parameter in the HTTP Request node. Combined with other techniques this could lead to RCE on the instance. This vulnerability is fixed in 1.123.43, 2.22.1, and 2.20.7.

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:76e57374154508ef147b381e6dedfa99335992064d220619fc3b1b813e4946b5

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"n8n","vendor":"n8n-io","versions":[{"status":"affected","version":"< 1.123.43"},{"status":"affected","version":">= 2.0.0-rc.0, < 2.20.7"},{"status":"affected","version":">= 2.21.0, < 2.21.1"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:db5a9e9499a69fd617b9da80163dc783a31b6444b1f35ffb6942e70f1320ed2f · sha256:bce9a085bb5bfa4c… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"LOW","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:db5a9e9499a69fd617b9da80163dc783a31b6444b1f35ffb6942e70f1320ed2f · sha256:bce9a085bb5bfa4c… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-1321","description":"CWE-1321: Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:db5a9e9499a69fd617b9da80163dc783a31b6444b1f35ffb6942e70f1320ed2f · sha256:bce9a085bb5bfa4c… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h","tags":["x_refsource_CONFIRM"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-c8xv-5998-g76h"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:db5a9e9499a69fd617b9da80163dc783a31b6444b1f35ffb6942e70f1320ed2f · sha256:bce9a085bb5bfa4c… · /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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