{"api_version":"1","generated_at":"2026-04-23T01:32:51+00:00","cve":"CVE-2026-21997","urls":{"html":"https://cve.report/CVE-2026-21997","api":"https://cve.report/api/cve/CVE-2026-21997.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-21997","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-21997"},"summary":{"title":"CVE-2026-21997","description":"Vulnerability in the Oracle Life Sciences Empirica Signal product of Oracle Life Science Applications (component: Common Core).  Supported versions that are affected are 9.2.1-9.2.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N).","state":"PUBLISHED","assigner":"oracle","published_at":"2026-04-21 21:16:24","updated_at":"2026-04-22 21:24:26"},"problem_types":["CWE-284","Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data.","CWE-284 CWE-284 Improper Access Control"],"metrics":[{"version":"3.1","source":"secalert_us@oracle.com","type":"Secondary","score":"8.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","baseScore":8.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"8.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","data":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","version":"3.1"}}],"references":[{"url":"https://www.oracle.com/security-alerts/cpuapr2026.html","name":"https://www.oracle.com/security-alerts/cpuapr2026.html","refsource":"secalert_us@oracle.com","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-21997","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21997","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Oracle Corporation","product":"Oracle Life Sciences Empirica Signal","version":"affected 9.2.1 9.2.3 custom","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"21997","cve":"CVE-2026-21997","epss":"0.000270000","percentile":"0.077630000","score_date":"2026-04-22","updated_at":"2026-04-23 00:03:14"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-21997","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-04-22T14:02:55.730217Z","version":"2.0.3"},"type":"ssvc"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-04-22T14:03:00.137Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"product":"Oracle Life Sciences Empirica Signal","vendor":"Oracle Corporation","versions":[{"lessThanOrEqual":"9.2.3","status":"affected","version":"9.2.1","versionType":"custom"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:oracle:life_sciences_empirica_signal:*:*:*:*:*:*:*:*","versionEndIncluding":"9.2.3","versionStartIncluding":"9.2.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en-US","value":"Vulnerability in the Oracle Life Sciences Empirica Signal product of Oracle Life Science Applications (component: Common Core).  Supported versions that are affected are 9.2.1-9.2.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N)."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.5,"baseSeverity":"HIGH","confidentialityImpact":"LOW","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"description":"Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data.","lang":"en-US"}]}],"providerMetadata":{"dateUpdated":"2026-04-21T20:34:58.883Z","orgId":"43595867-4340-4103-b7a2-9a5208d29a85","shortName":"oracle"},"references":[{"name":"Oracle Advisory","tags":["vendor-advisory"],"url":"https://www.oracle.com/security-alerts/cpuapr2026.html"}]}},"cveMetadata":{"assignerOrgId":"43595867-4340-4103-b7a2-9a5208d29a85","assignerShortName":"oracle","cveId":"CVE-2026-21997","datePublished":"2026-04-21T20:34:58.883Z","dateReserved":"2026-01-05T18:07:34.723Z","dateUpdated":"2026-04-22T14:03:00.137Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-21 21:16:24","lastModifiedDate":"2026-04-22 21:24:26","problem_types":["CWE-284","Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data.","CWE-284 CWE-284 Improper Access Control"],"metrics":{"cvssMetricV31":[{"source":"secalert_us@oracle.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N","baseScore":8.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.1,"impactScore":4.7}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"21997","Ordinal":"1","Title":"CVE-2026-21997","CVE":"CVE-2026-21997","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"21997","Ordinal":"1","NoteData":"Vulnerability in the Oracle Life Sciences Empirica Signal product of Oracle Life Science Applications (component: Common Core).  Supported versions that are affected are 9.2.1-9.2.3. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Life Sciences Empirica Signal.  While the vulnerability is in Oracle Life Sciences Empirica Signal, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized creation, deletion or modification access to critical data or all Oracle Life Sciences Empirica Signal accessible data as well as  unauthorized read access to a subset of Oracle Life Sciences Empirica Signal accessible data. CVSS 3.1 Base Score 8.5 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N).","Type":"Description","Title":"CVE-2026-21997"}]}}}