{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34305", "assignerOrgId": "43595867-4340-4103-b7a2-9a5208d29a85", "state": "PUBLISHED", "assignerShortName": "oracle", "dateReserved": "2026-03-26T19:48:45.679Z", "datePublished": "2026-04-21T20:35:33.685Z", "dateUpdated": "2026-04-21T20:35:33.685Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "43595867-4340-4103-b7a2-9a5208d29a85", "shortName": "oracle", "dateUpdated": "2026-04-21T20:35:33.685Z"}, "problemTypes": [{"descriptions": [{"lang": "en-US", "description": "Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data."}]}], "affected": [{"vendor": "Oracle Corporation", "product": "Oracle WebLogic Server", "versions": [{"version": "12.2.1.4.0", "status": "affected", "versionType": "semver"}, {"version": "14.1.1.0.0", "status": "affected", "versionType": "semver"}, {"version": "14.1.2.0.0", "status": "affected", "versionType": "semver"}, {"version": "15.1.1.0.0", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:oracle:weblogic_server:12.2.1.4.0:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:weblogic_server:14.1.1.0.0:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:weblogic_server:14.1.2.0.0:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:oracle:weblogic_server:15.1.1.0.0:*:*:*:*:*:*:*"}]}]}], "descriptions": [{"lang": "en-US", "value": "Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)."}], "references": [{"url": "https://www.oracle.com/security-alerts/cpuapr2026.html", "name": "Oracle Advisory", "tags": ["vendor-advisory"]}], "metrics": [{"cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "baseScore": 7.5, "baseSeverity": "HIGH"}}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "Vulnerability in the Oracle WebLogic Server product of Oracle Fusion Middleware (component: Web Services). Supported versions that are affected are 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0 and 15.1.1.0.0. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle WebLogic Server. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle WebLogic Server accessible data. CVSS 3.1 Base Score 7.5 (Confidentiality impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N)."}], "id": "CVE-2026-34305", "lastModified": "2026-04-21T21:16:35.850", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "secalert_us@oracle.com", "type": "Primary"}]}, "published": "2026-04-21T21:16:35.850", "references": [{"source": "secalert_us@oracle.com", "url": "https://www.oracle.com/security-alerts/cpuapr2026.html"}], "sourceIdentifier": "secalert_us@oracle.com", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "12.2.1.4.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.1.1.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "14.1.2.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "15.1.1.0.0"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Oracle WebLogic Server", "source": "cna", "vendor": "Oracle Corporation"}, "product": "weblogic_server", "vendor": "oracle"}], "analysis": {"en": {"generated_at": "2026-04-22T02:25:22.639566+00:00", "value": {"mitigation_remediation": ["Apply the official Oracle WebLogic Server patch or upgrade to a fixed version as referenced in the Oracle security advisory", "Limit network reachability to the WebLogic Server HTTP port to trusted IP ranges or VPN endpoints", "Enable and monitor audit logging on the WebLogic Server to detect anomalous access patterns"], "summary": {"action": "Immediate Patch", "impact": "Unauthenticated Remote Access leading to confidentiality breach"}, "threat_synthesis": {"affected_systems": "Affected products are Oracle WebLogic Server from Oracle Corporation. Versions impacted include 12.2.1.4.0, 14.1.1.0.0, 14.1.2.0.0, and 15.1.1.0.0. Users running these versions should verify their installed release and apply vendor advisories.", "description_and_impact": "The vulnerability in Oracle WebLogic Server\u2019s Web Services component allows an unauthenticated attacker with network access via HTTP to compromise the server and gain unauthorized access to critical data. The impact is limited to confidentiality, with no noted integrity or availability effects. The weakness appears to be an improper access control flaw that permits bypass of authentication checks.", "risk_and_exploitability": "This issue carries a CVSS 3.1 Base Score of 7.5, indicating significant confidentiality risk. The EPSS score is not available for this entry and the vulnerability is not listed in the CISA KEV catalog. Based on the description, the likely attack vector is remote HTTP traffic from an unauthenticated network source. Successful exploitation could lead to full access to all data the WebLogic Server manages without requiring credentials."}}}}, "created": "2026-04-22T02:15:05.236944+00:00", "title": "Unauthenticated Remote Access Vulnerability in Oracle WebLogic Server", "updated": "2026-04-22T02:30:05.615392+00:00", "vendors": ["oracle", "oracle$PRODUCT$weblogic_server"], "weaknesses": ["CWE-284"]}