Vulnerability-Lookup

CVE-2026-83534 (GCVE-0-2026-83534)

Vulnerability from cvelistv5 – Published: 2026-09-06 15:25 – Updated: 2026-09-09 04:26

Title

PostgreSQL Anonymizer: Privilege escalation to superuser via anon.anonymize_database_parallel()

Summary

PostgreSQL Anonymizer contains a vulnerability in the anon.anonymize_database_parallel() function that allows the owner of a table to run arbitrary code with superuser privilege. The issue is fixed in PostgreSQL Anonymizer 3.2.0 and later versions

Severity

6.4 (Medium)


                        
                          CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-09-08 00:00 UTC

CWE

CWE-250 - Execution with Unnecessary Privileges

Assigner

PostgreSQL CNA under the redhat root

CNA scorecard C 67/100 over 88 records in the last 180 days details

References

1 reference

URL	Tags
https://gitlab.com/dalibo/postgresql_anonymizer/-…

Impacted products

1 product

Vendor	Product	Version	CPE status
DALIBO	PostgreSQL Anonymizer	Affected: 1 , < 3.2.0 (semver)	guessed

Credits

The PostgreSQL Anonymizer project thanks Alexander Kukushkin for reporting this problem.

Show details on NVD website

JSON

To clipboard

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        }
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          }
        ],
        "id": "CVE-2026-83534",
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FKIE_CVE-2026-83534

Vulnerability from fkie_nvd - Published: 2026-09-06 16:16 - Updated: 2026-09-09 05:18

Severity

6.4 (Medium) - CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	f86ef6dc-4d3a-42ad-8f28-e6d5547a5007	https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/666

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "PostgreSQL Anonymizer",
          "vendor": "DALIBO",
          "versions": [
            {
              "lessThan": "3.2.0",
              "status": "affected",
              "version": "1",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "PostgreSQL Anonymizer contains a vulnerability in the anon.anonymize_database_parallel() function that allows the owner of a table to run arbitrary code with superuser privilege. The issue is fixed in PostgreSQL Anonymizer 3.2.0 and later versions"
    }
  ],
  "id": "CVE-2026-83534",
  "lastModified": "2026-09-09T05:18:19.027",
  "metrics": {
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        "cvssData": {
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          "attackVector": "NETWORK",
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          "baseScore": 6.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
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        "impactScore": 5.9,
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        "type": "Secondary"
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GHSA-J8QW-C658-VR9R

Vulnerability from github – Published: 2026-09-06 18:34 – Updated: 2026-09-06 18:34

Details

Severity

6.4 (Medium)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-83534"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-250"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-09-06T16:16:50Z",
    "severity": "MODERATE"
  },
  "details": "PostgreSQL Anonymizer contains a vulnerability in the anon.anonymize_database_parallel() function that allows the owner of a table to run arbitrary code with superuser privilege. The issue is fixed in PostgreSQL Anonymizer 3.2.0 and later versions",
  "id": "GHSA-j8qw-c658-vr9r",
  "modified": "2026-09-06T18:34:38Z",
  "published": "2026-09-06T18:34:38Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-83534"
    },
    {
      "type": "WEB",
      "url": "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/666"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

CVE-2026-83534 (GCVE-0-2026-83534)

FKIE_CVE-2026-83534

GHSA-J8QW-C658-VR9R

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