CVE WatchOct 21, 2026

CVE-2026-87393

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). The supported version

CVSS

6.5

Medium

EPSS

0.3%

p26

KEV

—

Exploit Today

0-100

Published: Oct 20, 2026 · Last modified: Oct 21, 2026

EPSS · 30d

0.3%EPSS · 30 days0.3%

2026-10-212026-10-25

Technical description

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Core). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H).

Official references

www.oracle.comhttps://www.oracle.com/security-alerts/cpuoct2026.html

Related CVEs

No related CVEs by CWE or product.