Public vulnerability disclosure

CVE-2026-118644

n8n before 2.41.5 and 2.42.2 Credential Theft via Error-Workflow Context Inheritance

publishedCWE-266

n8n before 2.41.5 and 2.42.x before 2.42.2 passes a failed workflow's full execution context, including the identity of the user who started the run, to the configured error workflow. A project editor can set a colleague's workflow settings.errorWorkflow to an error workflow they own, inherit the colleague's identity when that workflow fails, and resolve the colleague's per-user dynamic credential secrets.

Technical severity5.1 mediumCVSS 4.0 · CNA: VulnCheck
Published2026-10-28Source updated 2026-11-03
Collected2026-11-032 attributed sources

Fixes and workarounds

No remediation reported in collected sources.

Missing remediation information is not evidence that no patch exists.

Affected products and versions

Affected products, source version ranges and reporting authorities
ProductVersionsAuthority
n8n
n8n-io
n8n
npm
≥ 2.42.0; < 2.42.2 (affected, semver)
2.42.2 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck
n8n
n8n-io
n8n
npm
≥ 0; < 2.41.5 (affected, semver)
2.41.5 (unaffected, semver)
Other versions: unaffected
CNA: VulnCheck

Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.

CVSS assessments

CVSS scores, vectors and reporting authorities
Version / scoreVectorAuthority
4.0 / 5.1
medium
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:H/SI:H/SA:NCNA: VulnCheck
3.1 / 7.7
high
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:NCNA: VulnCheck

Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

References

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