{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": [
              "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*",
              "cpe:2.3:a:n8n:n8n:2.34.0:*:*:*:*:node.js:*:*"
            ],
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "1.123.69"
              },
              {
                "introduced": "2.33.0"
              },
              {
                "fixed": "2.33.4"
              },
              {
                "introduced": "2.34.0"
              },
              {
                "last_affected": "2.34.0"
              }
            ],
            "source": [
              "CPE_RANGE",
              "CPE_STRING"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "430e6e597ab43d2326aa11cd30fcf633766fca31"
            },
            {
              "introduced": "60cc920c40d6090816b8f7418f10ac645814fe9f"
            },
            {
              "fixed": "14c9aef0552fb4776501ca1c4589451891dd0ef4"
            },
            {
              "introduced": "b533ecd6856fef9ba7ca096d14b1f798b9933ff6"
            },
            {
              "last_affected": "b533ecd6856fef9ba7ca096d14b1f798b9933ff6"
            }
          ],
          "repo": "https://github.com/n8n-io/n8n",
          "type": "GIT"
        }
      ],
      "versions": [
        "2.34.0"
      ]
    }
  ],
  "aliases": [
    "GHSA-f4f3-2g67-4vhm"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-89"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77071.json"
  },
  "details": "n8n before 1.123.69, 2.33.4, and 2.34.1 contains a PostgREST filter injection vulnerability in the Supabase node's Row Get Many, Delete, and Update operations, which built filter queries by concatenating an expression-bindable value without escaping. An attacker could inject a condition that widened the filter to match every row, turning an intended single-row operation into full-table disclosure, deletion, or modification.",
  "id": "CVE-2026-77071",
  "modified": "2026-09-03T03:30:21.137888341Z",
  "published": "2026-08-20T11:21:06.912Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/77xxx/CVE-2026-77071.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-f4f3-2g67-4vhm"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-77071"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/n8n-before-postgrest-filter-injection-via-supabase"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H",
      "type": "CVSS_V4"
    }
  ],
  "summary": "n8n before 1.123.69 PostgREST Filter Injection via Supabase"
}