{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-107314", "assignerOrgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "state": "PUBLISHED", "assignerShortName": "PostgreSQL", "dateReserved": "2026-10-07T16:53:39.434Z", "datePublished": "2026-10-07T23:03:01.500Z", "dateUpdated": "2026-10-07T23:03:01.500Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "shortName": "PostgreSQL", "dateUpdated": "2026-10-07T23:03:01.500Z"}, "title": "pgjdbc does not enforce requireAuth when the value excludes every authentication method", "descriptions": [{"lang": "en", "value": "pgjdbc, the PostgreSQL JDBC Driver, versions 42.7.11 through 42.7.13 enforce no restriction when the requireAuth connection property excludes all six authentication methods the driver knows, for example requireAuth=!password,!md5,!gss,!sspi,!scram-sha-256,!none. The driver then accepts any method the server asks for, including cleartext password authentication. A value without a method in it, such as requireAuth=, (a single comma), is affected the same way. An attacker positioned between the application and its server can ask for cleartext password authentication and receive the database password. A positive list such as requireAuth=scram-sha-256, and a partial exclusion such as requireAuth=!password,!md5, are enforced correctly. The property has no default value, so a deployment that does not set it is not affected. 42.7.14 fixes the problem: such a connection is refused with SQLState 08004, and a value without a method in it is rejected as invalid."}], "affected": [{"vendor": "pgjdbc", "product": "pgjdbc", "collectionURL": "https://repo.maven.apache.org/maven2", "packageName": "org.postgresql:postgresql", "repo": "https://github.com/pgjdbc/pgjdbc", "programFiles": ["pgjdbc/src/main/java/org/postgresql/core/AuthMethod.java"], "programRoutines": [{"name": "org.postgresql.core.AuthMethod.parseRequireAuth"}, {"name": "org.postgresql.core.AuthMethod.checkAuth"}], "defaultStatus": "unaffected", "versions": [{"version": "42.7.11", "lessThan": "42.7.14", "status": "affected", "versionType": "maven"}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-636", "description": "CWE-636 Not Failing Securely ('Failing Open')"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM"}}], "solutions": [{"lang": "en", "value": "Upgrade to pgjdbc 42.7.14 or later, and replace a requireAuth value that excludes every method or names none with a positive list of the methods the server uses."}], "workarounds": [{"lang": "en", "value": "Replace the requireAuth value with a positive list of the methods the server uses, for example requireAuth=scram-sha-256; a positive list is enforced correctly on every affected version. A deployment that uses SCRAM over TLS can also set channelBinding=require, which refuses every authentication request other than SCRAM. Verifying the server certificate with sslmode=verify-full against a trusted CA prevents an attacker from presenting a substitute server."}], "credits": [{"lang": "en", "type": "reporter", "value": "Daniel Coles"}], "references": [{"url": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-rhp9-mr79-r74h", "tags": ["vendor-advisory"]}]}}}

{}

{"affected": [{"affectedData": [{"collectionURL": "https://repo.maven.apache.org/maven2", "defaultStatus": "unaffected", "packageName": "org.postgresql:postgresql", "product": "pgjdbc", "programFiles": ["pgjdbc/src/main/java/org/postgresql/core/AuthMethod.java"], "programRoutines": [{"name": "org.postgresql.core.AuthMethod.parseRequireAuth"}, {"name": "org.postgresql.core.AuthMethod.checkAuth"}], "repo": "https://github.com/pgjdbc/pgjdbc", "vendor": "pgjdbc", "versions": [{"lessThan": "42.7.14", "status": "affected", "version": "42.7.11", "versionType": "maven"}]}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "pgjdbc, the PostgreSQL JDBC Driver, versions 42.7.11 through 42.7.13 enforce no restriction when the requireAuth connection property excludes all six authentication methods the driver knows, for example requireAuth=!password,!md5,!gss,!sspi,!scram-sha-256,!none. The driver then accepts any method the server asks for, including cleartext password authentication. A value without a method in it, such as requireAuth=, (a single comma), is affected the same way. An attacker positioned between the application and its server can ask for cleartext password authentication and receive the database password. A positive list such as requireAuth=scram-sha-256, and a partial exclusion such as requireAuth=!password,!md5, are enforced correctly. The property has no default value, so a deployment that does not set it is not affected. 42.7.14 fixes the problem: such a connection is refused with SQLState 08004, and a value without a method in it is rejected as invalid."}], "id": "CVE-2026-107314", "lastModified": "2026-10-07T23:17:00.337", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.9, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 3.6, "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}, "published": "2026-10-07T23:17:00.337", "references": [{"source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "url": "https://github.com/pgjdbc/pgjdbc/security/advisories/GHSA-rhp9-mr79-r74h"}], "sourceIdentifier": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-636"}], "source": "f86ef6dc-4d3a-42ad-8f28-e6d5547a5007", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[42.7.11,42.7.14)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "pgjdbc", "source": "cna", "vendor": "pgjdbc"}, "product": "pgjdbc", "vendor": "pgjdbc"}], "created": "2026-10-08T00:30:04.512099+00:00", "updated": "2026-10-08T00:30:04.673256+00:00", "vendors": ["pgjdbc", "pgjdbc$PRODUCT$pgjdbc"]}