What is CVE-2026-21997?

CVE-2026-21997 is a high-severity vulnerability in Oracle Life_sciences_empirica_signal, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-04-21.

How severe is CVE-2026-21997?

High severity. CVSS v3 base score is 8.5 out of 10.

Vulnerability in Oracle Life_sciences_empirica_signal

CVE-2026-21997

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 a…

EPSS: 0.000 (8.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N.

Affected products

Oracle Life_sciences_empirica_signal
Oracle Corporation Life Sciences Empirica Signal — versions 9.2.1

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

Oracle Advisory (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-21997?: CVE-2026-21997 is a high-severity vulnerability in Oracle Life_sciences_empirica_signal, classified under Improper Access Control. CVSS score: 8.5/10. Published 2026-04-21.
How severe is CVE-2026-21997?: High severity. CVSS v3 base score is 8.5 out of 10.