CVE-2026-77073
- Source
- https://cve.org/CVERecord?id=CVE-2026-77073
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-77073.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-77073
- Aliases
-
- GHSA-vfrj-582q-mvcp
- Downstream
- Published
- 2026-08-20T11:21:08Z
- Modified
- 2026-10-28T02:30:27Z
- Severity
-
- 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N CVSS Calculator
- Summary
- n8n before 2.34.1 Cross-Project Credential Access via MCP
- Details
-
n8n versions before 2.34.1 contain a credential validation bypass in the MCP create_workflow_from_code tool when authentication type is set to an expression. Attackers with a valid MCP Bearer API key and knowledge of a target credential ID can persist unauthorized cross-project credential references on workflows in different projects.
- Database specific
{ "cna_assigner": "VulnCheck", "cwe_ids": [ "CWE-639" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77073.json" }- References
Affected packages
Git / github.com/n8n-io/n8n
Affected ranges
- Type
- GIT
- Repo
- https://github.com/n8n-io/n8n
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "2.34.0" }, { "fixed": "2.34.1" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" }, { "range": [ { "introduced": "2.0.0" }, { "fixed": "2.33.4" } ], "source": "AFFECTED_FIELD", "strategy": "StandardRange" } ] }