CVE-2026-91341

CRITICAL

Summary

generated automatically from NVD data

CVE-2026-91341 affects the Outside In Clean Content SDK component of Oracle Outside In Technology in Oracle Fusion Middleware, version 8.5.8. An unauthenticated attacker with network access over HTTP can easily exploit it to create, modify or delete critical data, or all data accessible to the product. The attacker can also cause a hang or a frequently repeatable crash, a complete denial of service. It is rated CRITICAL with a CVSS 3.1 score of 9.1.

NVD 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 unauthenticated attacker with network access via HTTP to compromise Oracle Outside In Technology. Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle Outside In Technology accessible data and unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Outside In Technology. CVSS 3.1 Base Score 9.1 (Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H).

EPSS · FIRST.org

0.44%probability of exploitation in the next 30 days

Higher than 37% of scored CVEs

EPSS (Exploit Prediction Scoring System) estimates, from observed exploitation activity, how likely a CVE is to be exploited in the next 30 days. It complements CVSS, which measures severity, not likelihood. Score of 2026-10-21, recomputed daily by FIRST.org.

In-depth analysis on cveo.tech

We've published a detailed analysis of this CVE — exploitation, IOCs and mitigation.