PatchSiren cyber security CVE debrief
CVE-2026-15562 Red Hat CVE debrief
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T09:17:13.100Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. This vulnerability, CVE-2026-15562, affects EAP's jboss-remoting component, which is used for remote communication. An unauthenticated attacker can cause Out-of-Memory (OOM) errors by completing an Upgrade: jboss-remoting handshake on ports :8080, :9990, or :4447, leading to a denial of service. The vulnerability has a HIGH CVSS score of 7.5, indicating a high level of severity. Administrators and security teams responsible for EAP and jboss-remoting installations, especially those exposed to untrusted networks or with high security requirements, should be aware of this vulnerability and take necessary precautions to mitigate the risk. This includes reviewing system configurations, applying vendor patches or updates, and monitoring for potential security incidents. Evidence is based on limited information from the NVD and a few Red Hat references. Further verification is needed to confirm affected products and scope. Additional review of vendor documentation and security advisories is recommended to ensure accurate assessment of vulnerability impact.
- Vendor
- Red Hat
- Product
- Red Hat JBoss Enterprise Application Platform 7.4.25
- CVSS
- HIGH 7.5
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-08-11
- Original CVE updated
- 2026-08-24
- Advisory published
- 2026-08-11
- Advisory updated
- 2026-08-24
Who should care
Administrators and security teams responsible for EAP and jboss-remoting installations, especially those exposed to untrusted networks or with high security requirements, should be aware of this vulnerability and take necessary precautions to mitigate the risk. This includes reviewing system configurations, applying vendor patches or updates, and monitoring for potential security incidents.
Technical summary
A remote unauthenticated attacker can cause OOM errors in EAP's jboss-remoting by completing an Upgrade: jboss-remoting handshake on ports :8080, :9990, or :4447, leading to denial of service. This vulnerability has a HIGH CVSS score of 7.5, indicating a high level of severity. The vulnerability affects EAP's jboss-remoting component, which is used for remote communication. The attack can be carried out by an unauthenticated attacker who can reach the affected ports.
Defensive priority
High-priority defensive actions are required due to the HIGH CVSS score of 7.5 and potential for denial of service attacks.
Recommended defensive actions
- Verify and apply vendor patches or updates for jboss-remoting
- Restrict access to :8080, :9990, and :4447 to trusted sources
- Monitor for unusual traffic patterns and OOM errors
- Implement compensating controls such as rate limiting and IP blocking
- Review and update incident response plans for potential DoS attacks
- Conduct a thorough review of system logs and monitoring data to identify potential security incidents
- Perform a vulnerability assessment to identify potential weaknesses in the system
Evidence notes
Evidence is based on limited information from the NVD and a few Red Hat references. Further verification is needed to confirm affected products and scope. The CVE record was published on 2026-08-11T09:17:13.100Z and has not been modified since then. The NVD entry is currently Awaiting Analysis. Additional review of vendor documentation and security advisories is recommended to ensure accurate assessment of vulnerability impact.
Official resources
AI-assisted PatchSiren debrief based on the supplied source corpus. The CVE record was published on 2026-08-11T09:17:13.100Z and has not been modified since then.