CVE-2026-24457 Eclipse Foundation CVE debrief

Who should care

OpenMQ and GlassFish users, administrators, and security teams should be aware of this critical vulnerability and take immediate action to patch affected systems. They should review official advisories, verify their deployments, and apply patches or mitigations as necessary. Additionally, they should monitor OpenMQ and GlassFish for suspicious activity and review compensating controls for exposed systems while remediation is scheduled and verified. Security teams should also track exceptions, retest remediated assets, and close the item only after evidence is documented. This vulnerability has a CVSS score of 9.1 and is considered CRITICAL, so affected users should prioritize patching and take immediate action to protect their systems. The vulnerability could potentially lead to RCE in some scenarios, making it essential for users to take prompt action to mitigate the risk. OpenMQ users should also consider reviewing their configurations and restricting access to OpenMQ configuration to prevent exploitation. By taking these steps, users can help protect their systems from potential attacks and minimize the risk of exploitation. It is also recommended that users review their asset inventory and consider implementing additional security measures, such as monitoring and detection, to help identify and respond to potential security incidents. Overall, it is essential for OpenMQ and GlassFish users to take immediate action to patch affected systems and protect against potential attacks. This can be achieved by applying patches, reviewing official advisories, and implementing additional security measures as necessary. By prioritizing patching and taking prompt action, users can help minimize the risk of exploitation and protect their systems from potential attacks. The CVE record provides additional information on the vulnerability, including CVSS score and vector, which can be used to further assess the risk and prioritize patching efforts. Users should also consider reviewing the vendor advisory and other relevant resources to ensure they have the latest information on the vulnerability and available patches. By staying informed and taking prompt action, OpenMQ and

Technical summary

CVE-2026-24457 is a critical vulnerability in OpenMQ's configuration parsing, allowing remote attackers to read arbitrary files. This could potentially lead to RCE in some scenarios. Fixes are available in OpenMQ 6.5.2, 6.9.0, and certain GlassFish versions. Affected users should apply patches or mitigations and monitor for suspicious activity. The vulnerability has a CVSS score of 9.1 and is considered CRITICAL. OpenMQ users should prioritize patching and take immediate action to protect their systems. The vulnerability details an unsafe parsing vulnerability in OpenMQ's configuration, allowing remote attackers to read arbitrary files. This could potentially lead to RCE in some scenarios.

Defensive priority

CVE-2026-24457 has a CVSS score of 9.1 and is considered CRITICAL. OpenMQ users should prioritize patching.

Recommended defensive actions

• Apply patches for OpenMQ versions <6.5.2 and <6.9.0
• Update to OpenMQ 6.5.2 or 6.9.0
• Apply GlassFish patches for versions <7.0.26, <7.1.1, and <8.0.2
• Restrict access to OpenMQ configuration
• Monitor OpenMQ and GlassFish for suspicious activity

Evidence notes

The CVE-2026-24457 record details an unsafe parsing vulnerability in OpenMQ's configuration, allowing remote attackers to read arbitrary files. This could potentially lead to RCE in some scenarios. Fixes are available in OpenMQ 6.5.2, 6.9.0, and certain GlassFish versions. Affected OpenMQ users should verify their deployments, review official advisories, and apply patches or mitigations as necessary. The vulnerability has a CVSS score of 9.1 and is considered CRITICAL. OpenMQ users should prioritize patching and monitor for suspicious activity.

Official resources