CVE-2025-12819

Untrusted search path in auth_query connection handler in PgBouncer before 1.25.1 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage.

CVSS v3 7.5 HIGH

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.pgbouncer.org/changelog.html#pgbouncer-125x	Release Notes
https://lists.debian.org/debian-lts-announce/2025/12/msg00033.html

Configurations

Configuration 1 (hide)

cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*

History

18 Oct 2026, 18:10

Type	Values Removed	Values Added
Summary		(es) Ruta de búsqueda no confiable en el manejador de conexión auth_query en PgBouncer antes de 1.25.1 permite a un atacante no autenticado ejecutar SQL arbitrario durante la autenticación a través de un parámetro search_path malicioso en el StartupMessage.

Information

Published : 2025-12-03 19:15

Updated : 2026-10-18 18:10

NVD link : CVE-2025-12819

Mitre link : CVE-2025-12819

CVE.ORG link : CVE-2025-12819

JSON object : View

Products Affected

pgbouncer

pgbouncer

CWE

CWE-426

Untrusted Search Path

{"id": "CVE-2025-12819", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-12819", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2025-12-03T19:11:14.559731Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 1.6}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "affected": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "affectedData": [{"vendor": "n/a", "product": "PgBouncer", "versions": [{"status": "affected", "version": "0", "lessThan": "1.25.1", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2025-12-03T19:15:55.227", "references": [{"url": "https://www.pgbouncer.org/changelog.html#pgbouncer-125x", "tags": ["Release Notes"], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/12/msg00033.html", "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "description": [{"lang": "en", "value": "CWE-426"}]}], "descriptions": [{"lang": "en", "value": "Untrusted search path in auth_query connection handler in PgBouncer before 1.25.1 allows an unauthenticated attacker to execute arbitrary SQL during authentication via a malicious search_path parameter in the StartupMessage."}, {"lang": "es", "value": "Ruta de b\u00fasqueda no confiable en el manejador de conexi\u00f3n auth_query en PgBouncer antes de 1.25.1 permite a un atacante no autenticado ejecutar SQL arbitrario durante la autenticaci\u00f3n a trav\u00e9s de un par\u00e1metro search_path malicioso en el StartupMessage."}], "lastModified": "2026-10-18T18:10:00.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:pgbouncer:pgbouncer:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CE71D84A-CE1D-4AE3-9618-49027227EEBE", "versionEndExcluding": "1.25.1"}], "operator": "OR"}]}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}