Live › vulnerability › CVE-2026-91458
Go to dashboardOracle Outside In Technology, a file-parsing library bundled in Oracle Fusion Middleware, has a flaw in its Outside In Core component that affects version 8.5.8. An attacker with logon access to the host where it runs can take over the product when another person opens or processes a crafted file.
Summary written from the sources below. Check the originals before acting.
First seen by InfraStack 2026-10-23 21:57 UTC. All times on this page are UTC.
Teams that run Oracle Fusion Middleware with Oracle Outside In Technology installed on servers where users or processes have local logon access. The sources describe the affected supported version as 8.5.8 and do not describe the exact data path. Systems without Oracle Outside In Technology can skip it.
No product ranges from the sources yet.
8.5.8 in the Oracle Fusion Middleware installation.Each row is the first time that source carried this signal. The analyst’s rows are its own findings.
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 logon to the infrastructure where Oracle Outside In Technology executes 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 takeover of Oracle Outside In Technology. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H).
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