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{"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": "2026-04-28T16:02:08.211132+00:00", "value": {"mitigation_remediation": ["Apply the latest Oracle WebLogic Server patch from the official April\u202f2026 Critical Patch Update", "Restrict access to the Web Services interfaces to trusted networks or IP ranges using firewall or network segmentation rules", "If a patch is not yet available, protect the server by placing it behind a web application firewall that filters suspicious requests"], "summary": {"action": "Patch Now", "impact": "Data Modification in Oracle WebLogic Server"}, "threat_synthesis": {"affected_systems": "The affected product is Oracle WebLogic Server, specifically versions\u202f12.2.1.4.0,\u202f14.1.1.0.0,\u202f14.1.2.0.0, and\u202f15.1.1.0.0. These versions are part of Oracle\u2019s Fusion Middleware stack and handle web services traffic.", "description_and_impact": "The vulnerability in Oracle WebLogic Server\u2019s Web Services component permits an unauthenticated attacker with network access over HTTP to compromise the server, but it requires a separate human interaction to succeed. If triggered, the attacker can create, delete, or modify critical data stored on the server, thereby violating the integrity of information but not its confidentiality or availability. The flaw is listed as a moderate\u2011risk issue with a CVSS\u202f6.5 score that highlights potential destructive impact if an automated or manual request can be sent to the server.", "risk_and_exploitability": "The CVSS score of\u202f6.5 indicates a moderate severity. The EPSS score of\u202f<\u202f1% indicates an extremely low likelihood of exploitation. The vulnerability is not listed in the CISA\u202fKEV catalog, meaning no known public exploits. The attack vector is network\u2011based (HTTP) and requires user interaction, so a malicious request must be triggered by a person other than the attacker, limiting widespread automated exploitation. Nonetheless, any automated phishing or social\u2011engineering campaign that encourages a user to hit a specific URL could trigger the flaw."}}}}, "created": "2026-04-22T03:00:06.535214+00:00", "title": "Unauthenticated HTTP-Based Integrity Compromise in Oracle WebLogic Server Web Services", "updated": "2026-04-28T16:15:20.133485+00:00", "vendors": ["oracle", "oracle$PRODUCT$weblogic_server"]}