CVE Explorer

CVE-2026-54311

n8n is an open source workflow automation platform. Prior to 2.25.7 and 2.26.2, an authenticated user with permission to create or modify workflows could pollute the sandbox used by the Merge node's SQL Query mode. Because the sandbox context was cached and reused across all workflow executions on the instance, prototype mutations introduced by one user's workflow persist into subsequent Merge SQL executions belonging to other users or projects. This allowed a low-privileged attacker to intercep

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4c3e57bb24856a18c5469e7116ca66b274aab6df32c7b5dda6fd69bc00b9bf66

Known exploited

Not asserted

Disputed

Stale source

Conflicts

Affected products and versions

1 source assertion

{"product":"n8n","vendor":"n8n-io","versions":[{"status":"affected","version":">= 2.26.0, < 2.26.2"},{"status":"affected","version":"< 2.25.7"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:47c3acdaf356aeb6aafc2f98767748cb65837c1729f9442019ed1112e264d4a9 · sha256:af33932962a06dc3… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion

{"metric":{"attackComplexity":"HIGH","attackRequirements":"PRESENT","attackVector":"NETWORK","baseScore":6,"baseSeverity":"MEDIUM","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"NONE","vectorString":"CVSS:4.0/AV:N/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"NONE"},"metric_type":"cvssV4_0"}

cve_program_cvelist_v5cvss
urn:baitaphish:normalized-source-record:v2:47c3acdaf356aeb6aafc2f98767748cb65837c1729f9442019ed1112e264d4a9 · sha256:af33932962a06dc3… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion

{"cweId":"CWE-488","description":"CWE-488: Exposure of Data Element to Wrong Session","lang":"en","type":"CWE"}

cve_program_cvelist_v5cwe
urn:baitaphish:normalized-source-record:v2:47c3acdaf356aeb6aafc2f98767748cb65837c1729f9442019ed1112e264d4a9 · sha256:af33932962a06dc3… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion

{"name":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9c38-2mcm-q7f7","tags":["x_refsource_CONFIRM"],"url":"https://github.com/n8n-io/n8n/security/advisories/GHSA-9c38-2mcm-q7f7"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:47c3acdaf356aeb6aafc2f98767748cb65837c1729f9442019ed1112e264d4a9 · sha256:af33932962a06dc3… · /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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