CVE-2026-48588 djangoproject CVE debrief

Who should care

Users of Django 6.0 before 6.0.7 and 5.2 before 5.2.16 should be aware of this vulnerability and take necessary actions to protect their applications. This includes reviewing cache configurations, updating to patched versions as soon as feasible, and implementing compensating controls such as additional monitoring or access restrictions on cache data to mitigate potential impacts. The vulnerability allows remote attackers to read private data from the shared cache when the incoming request carries unrelated cookies, which can lead to unauthorized data access or leakage of confidential information. Therefore, it is crucial for operators, platform administrators, and security teams to assess their specific risk profile and adjust priority accordingly, focusing on prompt mitigation in high-risk scenarios while still addressing the vulnerability in a timely manner across all affected systems.

Technical summary

The vulnerability is caused by the caching of responses that vary on cookies when the incoming request carries unrelated cookies. This allows remote attackers to read private data from the shared cache. The issue was reported by Chris Whyland and affects Django 6.0 before 6.0.7 and 5.2 before 5.2.16. Earlier, unsupported Django series may also be affected. The vulnerability has a low CVSS score but still requires prompt attention to prevent potential data leaks or unauthorized access to sensitive information via cache contents. Users of affected versions should prioritize reviewing cache configurations and updating to patched versions as soon as feasible, especially in environments with high security sensitivity or exposure to untrusted networks.

Defensive priority

Low-Moderate due to potential data exposure through cache exploitation in shared environments with multiple applications or users, and the relatively low CVSS score indicating limited immediate risk but still requiring prompt attention to prevent potential data leaks or unauthorized access to sensitive information via cache contents. Users of affected versions should prioritize reviewing cache configurations and updating to patched versions as soon as feasible, especially in environments with high security sensitivity or exposure to untrusted networks. Additionally, consider implementing compensating controls such as additional monitoring or access restrictions on cache data to mitigate potential impacts until a patch can be applied. This priority level assumes that the affected systems handle sensitive data or are exposed to untrusted sources, and that exploitation could lead to unauthorized data access or leakage of confidential information, even if the CVSS score is currently rated as Low. Therefore, a Moderate priority is assigned to ensure proactive mitigation and minimize potential risks associated with this vulnerability in production environments, especially where cache usage is prevalent and could be leveraged for attacks. Users should assess their specific risk profile and adjust priority accordingly, focusing on prompt mitigation in high-risk scenarios while still addressing the vulnerability in a timely manner across all affected systems to prevent potential exploitation and data exposure through this cache-based vulnerability. The priority reflects a balance between the CVSS score and the potential impact of successful exploitation in various operational contexts, emphasizing the need for timely updates and proactive defensive measures to protect against potential cache-based attacks and data breaches. Therefore, while the CVSS score is Low, the defensive priority is set to Low-Moderate to ensure appropriate attention and mitigation efforts are applied to address this vulnerability effectively across different environments and usage scenarios, considering both immediate risks and potential long-term impacts on data security and integrity if left unp

Recommended defensive actions

• Update Django to version 6.0.7 or later
• Update Django to version 5.2.16 or later
• Review and adjust cache settings to prevent exploitation
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-07T15:16:47.447Z and last modified on 2026-07-07T16:16:39.520Z. The NVD entry is currently in the 'Received' state. This information is based on the provided source corpus and may not reflect the current status. Users should verify the information with the official CVE record and NVD entry for the most up-to-date details.

Official resources