CVE-2026-8053 represents a critical vulnerability within MongoDB Server's time-series collection implementation. An authenticated user possessing database write privileges can exploit this flaw to trigger an out-of-bounds memory write, potentially enabling arbitrary code execution. This vulnerability affects MongoDB Server versions 5.0.0 through 8.3.2 and has been resolved in version 8.3.2.
影响与攻击场景
The impact of CVE-2026-8053 is severe. Successful exploitation allows an attacker, already authenticated and with write access, to overwrite memory regions outside of allocated boundaries. This can lead to arbitrary code execution, granting the attacker complete control over the MongoDB server. The attacker could then exfiltrate sensitive data, modify database contents, or even pivot to other systems within the network. The potential blast radius is significant, especially in environments where MongoDB stores critical business data or is integrated with other systems. While no direct precedent is immediately obvious, the memory corruption aspect shares similarities with other RCE vulnerabilities where improper memory handling leads to code execution.
利用背景
CVE-2026-8053 was published on 2026-05-12. The exploitability is considered high due to the requirement of only authenticated access with write privileges, a relatively common configuration. Currently, no public Proof-of-Concept (POC) exploits are publicly available, but the severity warrants close monitoring. The EPSS score is likely to be medium to high, reflecting the potential for significant impact and the relative ease of exploitation given authenticated access. Refer to the MongoDB security advisory for further details.
威胁情报
漏洞利用状态
CVSS 向量
这些指标意味着什么？
- Attack Vector
- 网络 — 可通过互联网远程利用，无需物理或本地访问。攻击面最大。
- Attack Complexity
- 低 — 无需特殊条件，可以稳定地利用漏洞。
- Privileges Required
- 低 — 任何有效用户账户均可。
- User Interaction
- 无 — 攻击自动且无声，受害者无需任何操作。
- Scope
- 未改变 — 影响仅限于脆弱组件本身。
- Confidentiality
- 高 — 完全丧失机密性，攻击者可读取所有数据。
- Integrity
- 高 — 攻击者可写入、修改或删除任何数据。
- Availability
- 高 — 完全崩溃或资源耗尽，完全拒绝服务。
受影响的软件
弱点分类 (CWE)
时间线
- 发布日期
- 修改日期
缓解措施和替代方案
The primary mitigation for CVE-2026-8053 is upgrading to MongoDB Server version 8.3.2 or later. If an immediate upgrade is not feasible, consider implementing temporary workarounds. Restrict database write privileges to only necessary users and roles. Implement network segmentation to limit the potential impact of a successful attack. Monitor MongoDB logs for unusual activity, particularly related to time-series collections. Consider using a Web Application Firewall (WAF) or proxy to filter potentially malicious requests, although this is unlikely to be effective against an authenticated user exploiting an internal vulnerability. After upgrading, confirm the fix by attempting to reproduce the vulnerability using the documented steps and verifying that the memory write is prevented.
修复方法翻译中…
Actualice su instancia de MongoDB Server a la versión 5.0.33 o superior, 6.0.28 o superior, 7.0.34 o superior, 8.0.23 o superior, 8.2.9 o superior o 8.3.2 o superior para mitigar la vulnerabilidad. La actualización corrige una inconsistencia en el mapeo de nombres de campos a índices dentro del catálogo de cubetas de series temporales, previniendo así la escritura fuera de límites de la memoria.
常见问题
什么是CVE-2026-8053？
CVE-2026-8053是MongoDB Server时间序列集合实现中的一个漏洞，允许认证用户触发内存越界写入，可能导致任意代码执行。
我是否会受到影响？
如果您的MongoDB Server版本在5.0.0到8.3.2之间，则可能受到影响。请立即升级到8.3.2或更高版本。
如何修复？
升级到MongoDB Server 8.3.2或更高版本是修复此漏洞的主要方法。
此漏洞是否正在被利用？
目前没有公开的POC，但由于漏洞的严重性，建议密切监控。
在哪里可以了解更多信息？
请参阅MongoDB的安全公告和NVD数据库以获取更多详细信息。
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