CVE-2026-9617

PostgreSQL Anonymizer contains a vulnerability that allows a user to gain superuser privileges by creating a table and placing malicious code inside a column identifier. If a superuser calls the k-anonymity function, the malicious code is executed with superuser privileges. The risk is higher with PostgreSQL 14 or with instances upgraded from PostgreSQL 14 or a prior version. With PostgreSQL 15 and later, the creation permission on the public schema is revoked by default and this exploit can only be achieved by a user who was explicitly granted the CREATE TABLE privilege. The problem is resolved in PostgreSQL Anonymizer 3.1.0 and further versions

CVSS v3 6.8 MEDIUM

6.8^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 0.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/640	Exploit Issue Tracking Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:dalibo:anonymizer:2.5.1:*:*:*:*:postgresql:*:*

History

26 Oct 2026, 11:10

Type	Values Removed	Values Added
Summary		(es) PostgreSQL Anonymizer contiene una vulnerabilidad que permite a un usuario obtener privilegios de superusuario creando una tabla y colocando código malicioso dentro de un identificador de columna. Si un superusuario llama a la función k-anonymity, el código malicioso se ejecuta con privilegios de superusuario. El riesgo es mayor con PostgreSQL 14 o con instancias actualizadas desde PostgreSQL 14 o una versión anterior. Con PostgreSQL 15 y posteriores, el permiso de creación en el esquema público se revoca por defecto y este exploit solo puede ser logrado por un usuario al que se le concedió explícitamente el privilegio CREATE TABLE. El problema está resuelto en PostgreSQL Anonymizer 3.1.0 y versiones posteriores.

Information

Published : 2026-05-27 14:17

Updated : 2026-10-26 11:10

NVD link : CVE-2026-9617

Mitre link : CVE-2026-9617

CVE.ORG link : CVE-2026-9617

JSON object : View

Products Affected

dalibo

anonymizer

CWE

CWE-89

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

{"id": "CVE-2026-9617", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-9617", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-05-27T00:00:00+00:00"}}], "cvssMetricV31": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 0.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "affected": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "affectedData": [{"vendor": "DALIBO", "product": "PostgreSQL Anonymizer", "versions": [{"status": "affected", "version": "1", "lessThan": "3.1.0", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-05-27T14:17:40.273", "references": [{"url": "https://gitlab.com/dalibo/postgresql_anonymizer/-/issues/640", "tags": ["Exploit", "Issue Tracking", "Third Party Advisory"], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "description": [{"lang": "en", "value": "CWE-89"}]}], "descriptions": [{"lang": "en", "value": "PostgreSQL Anonymizer contains a vulnerability that allows a user to gain superuser privileges by creating a table and placing malicious code inside a column identifier. If a superuser calls the k-anonymity function, the malicious code is executed with superuser privileges. The risk is higher with PostgreSQL 14 or with instances upgraded from PostgreSQL 14 or a prior version. With PostgreSQL 15 and later, the creation permission on the public schema is revoked by default and this exploit can only be achieved by a user who was explicitly granted the CREATE TABLE privilege. The problem is resolved in PostgreSQL Anonymizer 3.1.0 and further versions"}, {"lang": "es", "value": "PostgreSQL Anonymizer contiene una vulnerabilidad que permite a un usuario obtener privilegios de superusuario creando una tabla y colocando c\u00f3digo malicioso dentro de un identificador de columna. Si un superusuario llama a la funci\u00f3n k-anonymity, el c\u00f3digo malicioso se ejecuta con privilegios de superusuario. El riesgo es mayor con PostgreSQL 14 o con instancias actualizadas desde PostgreSQL 14 o una versi\u00f3n anterior. Con PostgreSQL 15 y posteriores, el permiso de creaci\u00f3n en el esquema p\u00fablico se revoca por defecto y este exploit solo puede ser logrado por un usuario al que se le concedi\u00f3 expl\u00edcitamente el privilegio CREATE TABLE. El problema est\u00e1 resuelto en PostgreSQL Anonymizer 3.1.0 y versiones posteriores."}], "lastModified": "2026-10-26T11:10:00.157", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:dalibo:anonymizer:2.5.1:*:*:*:*:postgresql:*:*", "vulnerable": true, "matchCriteriaId": "6BF4BD78-55DD-4319-B426-B356673BD381"}], "operator": "OR"}]}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}