CVE-2026-87421

Analyzed Analyzed - Analysis Complete

Unauthenticated HTTP Access in Oracle Solaris

Publication date: 2026-10-20

Last updated on: 2026-11-09

Assigner: Oracle

Description

Vulnerability in the Oracle Solaris product of Oracle Systems (component: Image Packaging System). The supported version that is affected is 11.4. Easily exploitable vulnerability allows unauthenticated attacker with network access via HTTP to compromise Oracle Solaris. Successful attacks require human interaction from a person other than the attacker. Successful attacks of this vulnerability can result in unauthorized access to critical data or complete access to all Oracle Solaris accessible data as well as unauthorized update, insert or delete access to some of Oracle Solaris accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Integrity impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N).

CVSS Scores

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Meta Information

Published

2026-10-20

Last Modified

2026-11-09

Generated

2026-11-10

AI Q&A

2026-10-21

EPSS Evaluated

2026-11-08

NVD

CVE-2026-87421

EUVD

EUVD-2026-106460

Affected Vendors & Products

Vendor	Product	Version / Range
oracle	solaris	11.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-285	The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action.

Attack-Flow Graph

Executive Summary

This is a vulnerability in Oracle Solaris 11.4's Image Packaging System. An unauthenticated attacker can exploit it remotely via HTTP to gain unauthorized access to critical data or all accessible data. It requires human interaction from a victim. The attack impacts confidentiality and integrity with a CVSS score of 7.1.

Impact Analysis

If you use Oracle Solaris 11.4, an attacker could access sensitive data or modify some system data. This could lead to data breaches, unauthorized changes, or loss of control over your system.

Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR's data protection requirements and HIPAA's security rules. Non-compliance may result in legal penalties or fines.

Mitigation Strategies

Apply the latest Oracle Solaris patches from Oracle immediately to address the Image Packaging System vulnerability. Disable unnecessary HTTP services if not required. Monitor network traffic for unusual activity targeting Oracle Solaris systems.

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