Vulnerability-Lookup

CVE-2026-6476 (GCVE-0-2026-6476)

Vulnerability from cvelistv5 – Published: 2026-05-14 13:00 – Updated: 2026-05-15 03:56

Title

PostgreSQL pg_createsubscriber allows SQL injection via subscription name

Summary

SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser. The attack takes effect when pg_createsubscriber next runs. Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected. Versions before PostgreSQL 17 are unaffected.

Severity ?

7.2 (High)


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

CWE

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

Assigner

PostgreSQL

References

1 reference

URL	Tags
https://www.postgresql.org/support/security/CVE-2…

Impacted products

1 product

Vendor	Product	Version
n/a	PostgreSQL	Affected: 18 , < 18.4 (rpm) Affected: 17 , < 17.10 (rpm)

Credits

The PostgreSQL project thanks Yu Kunpeng for reporting this problem.

Show details on NVD website

JSON

To clipboard

{
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                "id": "CVE-2026-6476",
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                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-05-14T00:00:00+00:00",
                "version": "2.0.3"
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              "type": "ssvc"
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              "status": "affected",
              "version": "17",
              "versionType": "rpm"
            }
          ]
        }
      ],
      "configurations": [
        {
          "lang": "en",
          "value": "attacker has pg_create_subscription rights"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "The PostgreSQL project thanks Yu Kunpeng for reporting this problem."
        }
      ],
      "descriptions": [
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          "lang": "en",
          "value": "SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser.  The attack takes effect when pg_createsubscriber next runs.  Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected.  Versions before PostgreSQL 17 are unaffected."
        }
      ],
      "metrics": [
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          "cvssV3_1": {
            "baseScore": 7.2,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
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      "problemTypes": [
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      },
      "references": [
        {
          "url": "https://www.postgresql.org/support/security/CVE-2026-6476/"
        }
      ],
      "title": "PostgreSQL pg_createsubscriber allows SQL injection via subscription name"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
    "assignerShortName": "PostgreSQL",
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    "datePublished": "2026-05-14T13:00:11.865Z",
    "dateReserved": "2026-04-17T00:43:55.119Z",
    "dateUpdated": "2026-05-15T03:56:17.580Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2026-6476",
      "date": "2026-05-16",
      "epss": "0.00028",
      "percentile": "0.0817"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-6476\",\"sourceIdentifier\":\"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007\",\"published\":\"2026-05-14T14:16:25.230\",\"lastModified\":\"2026-05-14T16:21:23.190\",\"vulnStatus\":\"Undergoing Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser.  The attack takes effect when pg_createsubscriber next runs.  Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected.  Versions before PostgreSQL 17 are unaffected.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.2,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"HIGH\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.2,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-89\"}]}],\"references\":[{\"url\":\"https://www.postgresql.org/support/security/CVE-2026-6476/\",\"source\":\"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007\"}]}}",
    "vulnrichment": {
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}

GHSA-9CRW-Q654-RWGR

Vulnerability from github – Published: 2026-05-14 15:31 – Updated: 2026-05-14 15:31

Details

Severity ?

7.2 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2026-6476"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-89"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-05-14T14:16:25Z",
    "severity": "HIGH"
  },
  "details": "SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser.  The attack takes effect when pg_createsubscriber next runs.  Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected.  Versions before PostgreSQL 17 are unaffected.",
  "id": "GHSA-9crw-q654-rwgr",
  "modified": "2026-05-14T15:31:58Z",
  "published": "2026-05-14T15:31:58Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-6476"
    },
    {
      "type": "WEB",
      "url": "https://www.postgresql.org/support/security/CVE-2026-6476"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

FKIE_CVE-2026-6476

Vulnerability from fkie_nvd - Published: 2026-05-14 14:16 - Updated: 2026-05-14 16:21

Severity ?

7.2 (High) - CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Summary

References

	URL	Tags
	f86ef6dc-4d3a-42ad-8f28-e6d5547a5007	https://www.postgresql.org/support/security/CVE-2026-6476/

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SQL injection in PostgreSQL pg_createsubscriber allows an attacker with pg_create_subscription rights to execute arbitrary SQL as a superuser.  The attack takes effect when pg_createsubscriber next runs.  Within major versions 17 and 18, minor versions before PostgreSQL 18.4 and 17.10 are affected.  Versions before PostgreSQL 17 are unaffected."
    }
  ],
  "id": "CVE-2026-6476",
  "lastModified": "2026-05-14T16:21:23.190",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.2,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-05-14T14:16:25.230",
  "references": [
    {
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
      "url": "https://www.postgresql.org/support/security/CVE-2026-6476/"
    }
  ],
  "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
  "vulnStatus": "Undergoing Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-89"
        }
      ],
      "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007",
      "type": "Secondary"
    }
  ]
}

CERTFR-2026-AVI-0595

Vulnerability from certfr_avis - Published: 2026-05-15 - Updated: 2026-05-15

De multiples vulnérabilités ont été découvertes dans PostgreSQL. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, un déni de service à distance et une atteinte à la confidentialité des données.

Solutions

Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).

Impacted products

Vendor	Product	Description
PostgreSQL	N/A	PostgreSQL versions 18.x antérieures à 18.4
PostgreSQL	N/A	PostgreSQL versions 15.x antérieures à 15.18
PostgreSQL	N/A	PostgreSQL versions 14.x antérieures à 14.23
PostgreSQL	N/A	PostgreSQL versions 16.x antérieures à 16.14
PostgreSQL	N/A	PostgreSQL versions 17.x antérieures à 17.10

References

Title

Publication Time

Tags

Bulletin de sécurité PostgreSQL postgresql-184-1710-1614-1518-and-1423-released-3297

2026-05-14

vendor-advisory

Show details on source website

JSON

To clipboard

{
  "$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
  "affected_systems": [
    {
      "description": "PostgreSQL versions 18.x ant\u00e9rieures \u00e0 18.4",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "PostgreSQL",
          "scada": false
        }
      }
    },
    {
      "description": "PostgreSQL versions 15.x ant\u00e9rieures \u00e0 15.18",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "PostgreSQL",
          "scada": false
        }
      }
    },
    {
      "description": "PostgreSQL versions 14.x ant\u00e9rieures \u00e0 14.23",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "PostgreSQL",
          "scada": false
        }
      }
    },
    {
      "description": "PostgreSQL versions 16.x ant\u00e9rieures \u00e0 16.14",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "PostgreSQL",
          "scada": false
        }
      }
    },
    {
      "description": "PostgreSQL versions 17.x ant\u00e9rieures \u00e0 17.10",
      "product": {
        "name": "N/A",
        "vendor": {
          "name": "PostgreSQL",
          "scada": false
        }
      }
    }
  ],
  "affected_systems_content": "",
  "content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
  "cves": [
    {
      "name": "CVE-2026-6474",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6474"
    },
    {
      "name": "CVE-2026-6472",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6472"
    },
    {
      "name": "CVE-2026-6479",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6479"
    },
    {
      "name": "CVE-2026-6575",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6575"
    },
    {
      "name": "CVE-2026-6637",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6637"
    },
    {
      "name": "CVE-2026-6473",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6473"
    },
    {
      "name": "CVE-2026-6638",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6638"
    },
    {
      "name": "CVE-2026-6478",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6478"
    },
    {
      "name": "CVE-2026-6475",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6475"
    },
    {
      "name": "CVE-2026-6477",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6477"
    },
    {
      "name": "CVE-2026-6476",
      "url": "https://www.cve.org/CVERecord?id=CVE-2026-6476"
    }
  ],
  "initial_release_date": "2026-05-15T00:00:00",
  "last_revision_date": "2026-05-15T00:00:00",
  "links": [],
  "reference": "CERTFR-2026-AVI-0595",
  "revisions": [
    {
      "description": "Version initiale",
      "revision_date": "2026-05-15T00:00:00.000000"
    }
  ],
  "risks": [
    {
      "description": "D\u00e9ni de service \u00e0 distance"
    },
    {
      "description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
    },
    {
      "description": "Ex\u00e9cution de code arbitraire"
    },
    {
      "description": "Injection SQL (SQLi)"
    },
    {
      "description": "Non sp\u00e9cifi\u00e9 par l\u0027\u00e9diteur"
    },
    {
      "description": "Contournement de la politique de s\u00e9curit\u00e9"
    },
    {
      "description": "Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"
    }
  ],
  "summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans PostgreSQL. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une ex\u00e9cution de code arbitraire, un d\u00e9ni de service \u00e0 distance et une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.",
  "title": "Multiples vuln\u00e9rabilit\u00e9s dans PostgreSQL",
  "vendor_advisories": [
    {
      "published_at": "2026-05-14",
      "title": "Bulletin de s\u00e9curit\u00e9 PostgreSQL postgresql-184-1710-1614-1518-and-1423-released-3297",
      "url": "https://www.postgresql.org/about/news/postgresql-184-1710-1614-1518-and-1423-released-3297/"
    }
  ]
}

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

CVE-2026-6476 (GCVE-0-2026-6476)

GHSA-9CRW-Q654-RWGR

FKIE_CVE-2026-6476

CERTFR-2026-AVI-0595

Solutions

Tags

Sightings

Nomenclature