{"api_version":"1","generated_at":"2026-05-09T11:16:56+00:00","cve":"CVE-2026-6667","urls":{"html":"https://cve.report/CVE-2026-6667","api":"https://cve.report/api/cve/CVE-2026-6667.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-6667","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-6667"},"summary":{"title":"PgBouncer missing authorization check in KILL_CLIENT admin command","description":"PgBouncer before 1.25.2 did not perform an appropriate authorization check for the KILL_CLIENT admin command. All users with access to the administration console (which itself requires authorization) could run this command. It would have been correct to allow only users listed in the admin_users parameter.","state":"PUBLISHED","assigner":"PostgreSQL","published_at":"2026-05-09 01:16:09","updated_at":"2026-05-09 01:16:09"},"problem_types":["CWE-862","CWE-862 Missing Authorization"],"metrics":[{"version":"3.1","source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"}},{"version":"3.1","source":"CNA","type":"CVSS","score":"4.3","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","data":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"}}],"references":[{"url":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x","name":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x","refsource":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-6667","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-6667","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"PgBouncer","version":"affected 1.25.2 semver","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Thanks to HarutoKimura for finding and reporting this problem.","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"PgBouncer","vendor":"n/a","versions":[{"lessThan":"1.25.2","status":"affected","version":"0","versionType":"semver"}]}],"credits":[{"lang":"en","type":"finder","value":"Thanks to HarutoKimura for finding and reporting this problem."}],"descriptions":[{"lang":"en","value":"PgBouncer before 1.25.2 did not perform an appropriate authorization check for the KILL_CLIENT admin command. All users with access to the administration console (which itself requires authorization) could run this command. It would have been correct to allow only users listed in the admin_users parameter."}],"metrics":[{"cvssV3_1":{"baseScore":4.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","version":"3.1"},"format":"CVSS"}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"Missing Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-05-09T00:43:53.126Z","orgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","shortName":"PostgreSQL"},"references":[{"url":"https://www.pgbouncer.org/changelog.html#pgbouncer-125x"}],"title":"PgBouncer missing authorization check in KILL_CLIENT admin command"}},"cveMetadata":{"assignerOrgId":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","assignerShortName":"PostgreSQL","cveId":"CVE-2026-6667","datePublished":"2026-05-09T00:43:53.126Z","dateReserved":"2026-04-20T12:25:45.561Z","dateUpdated":"2026-05-09T00:43:53.126Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-09 01:16:09","lastModifiedDate":"2026-05-09 01:16:09","problem_types":["CWE-862","CWE-862 Missing Authorization"],"metrics":{"cvssMetricV31":[{"source":"f86ef6dc-4d3a-42ad-8f28-e6d5547a5007","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L","baseScore":4.3,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"LOW"},"exploitabilityScore":2.8,"impactScore":1.4}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"6667","Ordinal":"1","Title":"PgBouncer missing authorization check in KILL_CLIENT admin comma","CVE":"CVE-2026-6667","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"6667","Ordinal":"1","NoteData":"PgBouncer before 1.25.2 did not perform an appropriate authorization check for the KILL_CLIENT admin command. All users with access to the administration console (which itself requires authorization) could run this command. It would have been correct to allow only users listed in the admin_users parameter.","Type":"Description","Title":"PgBouncer missing authorization check in KILL_CLIENT admin comma"}]}}}