CVE-2026-65591 (GCVE-0-2026-65591)

Vulnerability from cvelistv5 – Published: 2026-07-22 11:21 – Updated: 2026-07-22 15:51
VLAI
Title
n8n before 1.123.64 Sanitizer Bypass Remote Code Execution
Summary
n8n contains a sanitizer bypass vulnerability in the legacy expression evaluator's computed-member handler. An authenticated user with workflow create or modify permissions can craft a malicious expression to bypass the sanitizer and achieve host-level code execution as the n8n process. The legacy expression engine is the default in affected versions. Fixed in n8n 1.123.64, 2.29.8, and 2.30.1.
Severity
8.9 (High)
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:L
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-07-22 15:49 UTC
CWE
  • CWE-917 - Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
Assigner
VulnCheck CNA under the mitre root
CNA scorecard B 84/100 over 6904 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
n8n-io n8n Affected: 0 , < 1.123.64 (semver)
Unaffected: 1.123.64 (semver)
guessed Create a notification for this product.
n8n-io n8n Affected: 0 , < 2.30.1 (semver)
Unaffected: 2.30.1 (semver)
guessed Create a notification for this product.
n8n-io n8n Affected: 0 , < 2.29.8 (semver)
Unaffected: 2.29.8 (semver)
guessed Create a notification for this product.
Date Public
2026-07-08 00:00
Credits
Dremig
Show details on NVD website
To clipboard 

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        "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
        "assignerShortName": "VulnCheck",
        "cveId": "CVE-2026-65591",
        "datePublished": "2026-07-22T11:21:40.743Z",
        "dateReserved": "2026-07-22T10:45:44.832Z",
        "dateUpdated": "2026-07-22T15:51:37.174Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}



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Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.