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CVE-2026-21893

n8n is an open source workflow automation platform. From version 0.187.0 to before 1.120.3, a command injection vulnerability was identified in n8n’s community package installation functionality. The issue allowed authenticated users with administrative permissions to execute arbitrary system commands on the n8n host under specific conditions. This issue has been patched in version 1.120.3.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:80748da0abe1dfc92c62d416e32acbd3ce2830de0d1cf1cd2de9ce2eab3f36ed
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

cwe · 2 assertions

{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/problemTypes/0/descriptions/0

{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}

  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/problemTypes/1/descriptions/0

Affected products and versions

1 source assertion
{"product":"n8n","vendor":"n8n-io","versions":[{"status":"affected","version":">= 0.187.0, < 1.120.3"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":9.4,"baseSeverity":"CRITICAL","privilegesRequired":"HIGH","subAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

2 source assertions
{"cweId":"CWE-78","description":"CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-20","description":"CWE-20: Improper Input Validation","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/problemTypes/1/descriptions/0

Source references

2 source assertions
{"name":"https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838","tags":["x_refsource_MISC"],"url":"https://github.com/n8n-io/n8n/commit/ae0669a736cc496beeb296e115267862727ae838"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /containers/cna/references/1
{"name":"https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m","tags":["x_refsource_CONFIRM"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-7c4h-vh2m-743m"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:603e335a2045cabb6bc624a801b94fdc390a1d0375985082e861882d6300dd0c · sha256:86560340f4f49d0e… · /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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