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Apache Superset: SQLLab Read-Only Bypass on PostgreSQL

Type: advisorySources: OSV

An Improper Input Validation vulnerability exists in Apache Superset that allows an authenticated user with SQLLab access to bypass the read-only verification check when using a PostgreSQL database connection. While the system effectively blocks standard Data Manipulation Language (DML) statements (e.g., INSERT, UPDATE, DELETE) on read-only connections, it fails to detect them in specially crafted SQL statements. This issue affects Apache Superset: before 6.0.0. Users are recommended to upgrade to version 6.0.0, which fixes the issue.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2026-23984
Confirmed fixed CVEs
Not specified
Updated in this feed
3 Nov 2026, 13:23 UTC · Revision 1

Source evidence

Apache Superset: SQLLab Read-Only Bypass on PostgreSQL

core-osv · Original source

Published 24 Feb 2026, 12:51 UTC

An Improper Input Validation vulnerability exists in Apache Superset that allows an authenticated user with SQLLab access to bypass the read-only verification check when using a PostgreSQL database connection. While the system effectively blocks standard Data Manipulation Language (DML) statements (e.g., INSERT, UPDATE, DELETE) on read-only connections, it fails to detect them in specially crafted SQL statements. This issue affects Apache Superset: before 6.0.0. Users are recommended to upgrade to version 6.0.0, which fixes the issue.

osv:CVE-2026-23984
Complete source record
{
  "id": "73ceea401cedf8c2fddf852842770794782ee6103fafd561ac9c9805108fdb16",
  "url": "https://osv.dev/vulnerability/CVE-2026-23984",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache Superset: SQLLab Read-Only Bypass on PostgreSQL",
    "summary": "An Improper Input Validation vulnerability exists in Apache Superset that allows an authenticated user with SQLLab access to bypass the read-only verification check when using a PostgreSQL database connection. While the system effectively blocks standard Data Manipulation Language (DML) statements (e.g., INSERT, UPDATE, DELETE) on read-only connections, it fails to detect them in specially crafted SQL statements. This issue affects Apache Superset: before 6.0.0. Users are recommended to upgrade to version 6.0.0, which fixes the issue.",
    "evidence": "osv:CVE-2026-23984",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2026-23984",
      "aliases": [
        "BIT-superset-2026-23984",
        "CVE-2026-23984",
        "GHSA-mwf2-qr4v-94h2",
        "PYSEC-2026-2376"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/superset",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "6a1c30e5e7c3e28d0549c9c2ac0ff61607f26a2f"
                }
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              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:superset:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
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                    "source": "CPE_RANGE"
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          "database_specific": {
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          }
        }
      ],
      "modified": "2026-10-28T02:30:28.807781409Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23984.json",
        "https://lists.apache.org/thread/72cmgxtvp9pclto4ln1chbs1227nwd26",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-23984"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-863"
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        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
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              {
                "range": [
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                    "introduced": "0.0.0"
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                    "fixed": "6.0.0"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
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        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23984.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-23984",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495826,
  "published_at": "2026-02-24T12:51:07.027+00:00"
}