CVE-2026-91256
HighCVSS 7.1Summary
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services) affecting version 11.4. A low privileged attacker with network access via HTTP can cause a hang or frequently repeatable crash (complete DoS) and unauthorized read access to a subset of data.
Risk Assessment
The attack can lead to system unavailability and partial data disclosure, affecting service continuity.
Recommendation
Apply the Oracle Solaris 11.4 update containing the fix and restrict network access to the vulnerable component's services.
Other vulnerabilities in Oracle Solaris
See all- CVE-2026-91537High
Vulnerability in Oracle Solaris (version 11.4) allows a low-privileged attacker with logon to the infrastructure to take over the system. CVSS 3.1 Base Score 7.8 (Confidentiality, Integrity and Availability impacts).
- CVE-2026-91348High
Vulnerability in Oracle Solaris (component Utility) versions 11.3 and 11.4. An easily exploitable local attack allows an unauthenticated attacker with logon to the infrastructure to take over the system.
- CVE-2026-91255High
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel) affecting version 11.4. An unauthenticated attacker with network access via HTTP can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-91254High
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel) affecting version 11.4. An unauthenticated attacker with network access via HTTP can cause a hang or frequently repeatable crash (complete DoS).
- CVE-2026-91253High
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Kernel) affecting version 11.4. A low privileged attacker with local logon to the infrastructure can exploit it to take over Oracle Solaris.
- CVE-2026-91252High
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services) affecting version 11.4. An unauthenticated attacker with network access via HTTP can cause a hang or frequently repeatable crash (complete DoS) and unauthorized read access to a subset of data.
- CVE-2026-91242High
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Plugins) affecting version 11.4. A high privileged attacker with local logon can exploit it with human interaction to gain unauthorized creation, deletion or modification access to critical data and complete access to all accessible data, with scope change impacting additional products.
- CVE-2026-87421High
Vulnerability in Oracle Solaris (Image Packaging System component) affecting version 11.4. An easily exploitable flaw allows an unauthenticated attacker with HTTP network access to gain unauthorized access to and modify critical data, requiring user interaction.
- CVE-2026-87417High
Vulnerability in Oracle Solaris (Image Packaging System component) affecting version 11.4. An easily exploitable flaw allows an unauthenticated attacker with HTTP network access to gain unauthorized access to critical data.
- CVE-2026-60662High
Vulnerability in the Oracle Solaris product (component: Services) affecting version 11.4. An easily exploitable flaw allows a low-privileged attacker with logon access to the infrastructure to compromise Oracle Solaris.
Original NVD description (English source)
Vulnerability in the Oracle Solaris product of Oracle Systems (component: Services). The supported version that is affected is 11.4. Easily exploitable vulnerability allows low privileged attacker with network access via HTTP to compromise Oracle Solaris. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of Oracle Solaris and unauthorized read access to a subset of Oracle Solaris accessible data. CVSS 3.1 Base Score 7.1 (Confidentiality and Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H).
Vulnerability data from NVD (NIST) · CISA KEV · EPSS