CVE-2026-87347

CRITICAL

Summary

generated automatically from NVD data

CVE-2026-87347 affects the OSSL Module component of Oracle HTTP Server in Oracle Fusion Middleware, specifically supported versions 12.2.1.4.0 and 14.1.2.0.0. A low-privileged attacker with network access over HTTP can easily exploit it, and the impact may extend to additional products because of a scope change. Successful exploitation can lead to unauthorized reading, creation, modification or deletion of critical data accessible to Oracle HTTP Server. It is rated CVSS 3.1 score 9.6 (CRITICAL).

NVD description

Vulnerability in the Oracle HTTP Server product of Oracle Fusion Middleware (component: OSSL Module). Supported versions that are affected are 12.2.1.4.0 and 14.1.2.0.0. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle HTTP Server. While the vulnerability is in Oracle HTTP Server, attacks may significantly impact additional products (scope change). Successful attacks of this vulnerability can result in unauthorized creation, deletion or modification access to critical data or all Oracle HTTP Server accessible data as well as unauthorized access to critical data or complete access to all Oracle HTTP Server accessible data. CVSS 3.1 Base Score 9.6 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N).

EPSS · FIRST.org

0.37%probability of exploitation in the next 30 days

Higher than 29% 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.