Vulnerability-Lookup

GHSA-2QP2-6FRJ-P9PQ

Vulnerability from github – Published: 2026-07-08 15:32 – Updated: 2026-07-08 15:32

Details

n8n before 1.123.61, 2.x before 2.27.4, and 2.28.x before 2.28.1 contains a SQL injection vulnerability in the legacy MySQL v1 node's executeQuery operation. The operation substitutes evaluated {{ ... }} expression values directly into the raw SQL string without parameterization. When a workflow uses this operation with expression-sourced values and is connected to an externally-reachable trigger (such as a Webhook node), attacker-controlled input reaching those expressions results in SQL injection, allowing execution of arbitrary SQL with the configured MySQL credentials' privileges. The MySQL v2 node, which uses parameterized queries, is not affected.

Severity

5.3 (Medium)


                  
                    CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2026-59257"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-89"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-08T14:17:20Z",
    "severity": "MODERATE"
  },
  "details": "n8n before 1.123.61, 2.x before 2.27.4, and 2.28.x before 2.28.1 contains a SQL injection vulnerability in the legacy MySQL v1 node\u0027s executeQuery operation. The operation substitutes evaluated {{ ... }} expression values directly into the raw SQL string without parameterization. When a workflow uses this operation with expression-sourced values and is connected to an externally-reachable trigger (such as a Webhook node), attacker-controlled input reaching those expressions results in SQL injection, allowing execution of arbitrary SQL with the configured MySQL credentials\u0027 privileges. The MySQL v2 node, which uses parameterized queries, is not affected.",
  "id": "GHSA-2qp2-6frj-p9pq",
  "modified": "2026-07-08T15:32:02Z",
  "published": "2026-07-08T15:32:02Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-hwmj-qg4v-cvg9"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-59257"
    },
    {
      "type": "WEB",
      "url": "https://www.vulncheck.com/advisories/n8n-sql-injection-in-mysql-v1-executequery-operation-via-expression-interpolation"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2026-59257 (GCVE-0-2026-59257)

Vulnerability from cvelistv5 – Published: 2026-07-08 13:49 – Updated: 2026-07-08 13:49

Title

n8n - SQL Injection in MySQL v1 executeQuery Operation via Expression Interpolation

Summary

Severity

5.3 (Medium)


                        
                          CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:N

CWE

CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Assigner

VulnCheck

References

2 references

URL	Tags
https://github.com/n8n-io/n8n/security/advisories…	vendor-advisory
https://www.vulncheck.com/advisories/n8n-sql-inje…	third-party-advisory

Impacted products

3 products

Vendor	Product	Version
n8n	n8n	Affected: 0 , < 1.123.61 (semver) Unaffected: 1.123.61 (semver)
n8n	n8n	Affected: 0 , < 2.28.1 (semver) Unaffected: 2.28.1 (semver)
n8n	n8n	Affected: 0 , < 2.27.4 (semver) Unaffected: 2.27.4 (semver)

Date Public

2026-06-24 00:00

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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "packageURL": "pkg:npm/n8n",
          "product": "n8n",
          "vendor": "n8n",
          "versions": [
            {
              "lessThan": "1.123.61",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "status": "unaffected",
              "version": "1.123.61",
              "versionType": "semver"
            }
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        },
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              "status": "unaffected",
              "version": "2.27.4",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
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          "nodes": [
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                },
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        }
      ],
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            "vulnConfidentialityImpact": "NONE",
            "vulnIntegrityImpact": "NONE"
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      },
      "references": [
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          "name": "GitHub Security Advisory (GHSA-hwmj-qg4v-cvg9)",
          "tags": [
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          ],
          "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-hwmj-qg4v-cvg9"
        },
        {
          "name": "VulnCheck Advisory: n8n - SQL Injection in MySQL v1 executeQuery Operation via Expression Interpolation",
          "tags": [
            "third-party-advisory"
          ],
          "url": "https://www.vulncheck.com/advisories/n8n-sql-injection-in-mysql-v1-executequery-operation-via-expression-interpolation"
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      ],
      "title": "n8n - SQL Injection in MySQL v1 executeQuery Operation via Expression Interpolation",
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    "datePublished": "2026-07-08T13:49:13.618Z",
    "dateReserved": "2026-07-04T12:17:14.302Z",
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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.

Detection rules are retrieved from Rulezet.

Action not permitted

GHSA-2QP2-6FRJ-P9PQ

CVE-2026-59257 (GCVE-0-2026-59257)

Tags

Sightings

Nomenclature