Oracle Solaris 11.4 Image Packaging System improper authorization

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle Solaris 11.4. The impacted element is an unknown function of the component Image Packaging System. Such manipulation leads to improper authorization. This vulnerability is uniquely identified as CVE-2026-87421. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Solaris 11.4. It has been rated as critical. Affected by this issue is some unknown functionality of the component Image Packaging System. The manipulation with an unknown input leads to a improper authorization vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

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).

The advisory is available at oracle.com. This vulnerability is handled as CVE-2026-87421 since 09/08/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1548.002 by the MITRE ATT&CK project.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• Operating System

Vendor

• Oracle

Name

• Solaris

Version

• 11.4

License

• commercial

Website

• Vendor: https://www.oracle.com

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