Vulnerability details

CVE-2026-91340

Oracle Outside In Technology

CVSS 3.1

8.8High

Official description

Vulnerability in the Oracle Outside In Technology product of Oracle Fusion Middleware (component: Outside In Clean Content SDK). The supported version that is affected is 8.5.8. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 8.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

CVSS scores

Score	Version	Source	Vector
8.8High	3.1	CVEProject cvelistV5 (CNA) (oracle)	`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`

Affected products

Vendor	Product	Versions	Source
Oracle Corporation	Oracle Outside In Technology	8.5.8	CVEProject cvelistV5 (CNA)

References and advisories

https://www.oracle.com/security-alerts/cpuoct2026.html vendor-advisory

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Details

Published: 2026-10-21
Last updated: 2026-10-28
State: Published
Assigner (CNA): oracle

Exploit prediction (EPSS)

0.38%

Probability of exploitation in 30 days

33.1%

Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable: No
Exploitation: None
Technical impact: Total

Weaknesses (CWE)

CWE-284
Improper Access Control