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Standard
Vulnerability Identifier

CVE-2026-21997

2026-04-21
Severity Assessment
8.5
HIGH
CVSS v3.x Score
Clinical Analysis (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).

Vector Sequencing

Attack Parameters

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Impact Consequences

Technical Impact

Changed
Scope
Low
Confidentiality
High
Integrity
None
Availability
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
Timeline

Time Line

PUBLICATION
21 Apr 2026
FIRST PATCH
21 Apr 2026
Impact Statistics

Key Metrics

CVSS Score
8.5
HIGH
Patches
1
Available
Remediation Protocol

Recommended Solution

No automatic solution found. Check vendor references.
Recommended Actions for Administrators

Immediate Action Plan

1. Inventory

Identify all affected systems in your infrastructure.

2. Assessment

Assess exposure and criticality for your organization.

3. Mitigation

Apply patches or available workarounds.

4. Verification

Test and confirm effectiveness of applied measures.