CVE-2026-59308 Spring CVE debrief

Who should care

Organizations using Spring AI 2.0.0 should be aware of this vulnerability and take necessary actions to mitigate it. This includes verifying their inventory, applying vendor remediation, and monitoring for potential exploitation attempts. Security teams and operators should review the vulnerability's impact on their platforms and implement compensating controls if necessary. Vulnerability management processes should be updated to include this CVE, and asset owners should be notified to ensure prompt remediation. Additionally, defenders should verify their configurations and ensure that any exposed systems are properly secured. This vulnerability may require additional review of system configurations and security controls to prevent exploitation. Affected organizations should prioritize remediation based on their specific exposure and risk profile. The vulnerability's medium severity CVSS score of 4.2 indicates a moderate level of risk that should be addressed through a thorough review of affected systems and implementation of appropriate mitigations. Security teams should also consider the potential operational impact of this vulnerability on their systems and develop strategies to minimize disruption during remediation efforts. Furthermore, organizations should review their incident response plans to ensure they are prepared to respond to potential exploitation attempts. By taking these steps, organizations can reduce the risk associated with this vulnerability and protect their systems from potential attacks. It is essential for organizations to stay informed about the latest developments related to this CVE and to adjust their security measures accordingly. The CVE record indicates a medium severity vulnerability in Spring AI's Semantic Cache support, allowing cached responses to be shared across unrelated contexts. Affected version: Spring AI 2.0.0. Organizations should verify their inventory and apply vendor remediation to mitigate the vulnerability. They should also monitor for potential exploitation attempts and review compensating controls for exposed systems while remediation is scheduled and verified. Security teams should check relevant monitoring,

Technical summary

The context hash used to isolate cached responses between different system prompts in Spring AI's Semantic Cache support could allow cached responses to be shared across unrelated contexts. This vulnerability affects Spring AI 2.0.0 and has a medium severity CVSS score of 4.2.

Defensive priority

Organizations using Spring AI 2.0.0 should verify their inventory and apply vendor remediation.

Recommended defensive actions

• Verify inventory of Spring AI 2.0.0
• Apply vendor remediation
• Monitor for potential exploitation attempts

Evidence notes

The CVE record indicates a medium severity vulnerability in Spring AI's Semantic Cache support, allowing cached responses to be shared across unrelated contexts. Affected version: Spring AI 2.0.0.

Official resources