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CVE-2026-75513— Marten LINQ提供程序 SQL注入漏洞

一分钟漏洞结论

影响对象
JasperFx marten
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Marten is a .NET Transactional Document DB and Event Store on PostgreSQL. From version 7.0.0 until 9.13.0, several Marten LINQ and tenant-management paths interpolate runtime, potentially attacker-controlled strings into single-quoted SQL literals without esca

CVSS 9.1 · Critical
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一、 漏洞 CVE-2026-75513 基础信息

漏洞信息

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Vulnerability Title
Marten: SQL injection in Marten's LINQ provider via unescaped string literals
来源: CVE Program / CVE List V5
Vulnerability Description
Marten is a .NET Transactional Document DB and Event Store on PostgreSQL. From version 7.0.0 until 9.13.0, several Marten LINQ and tenant-management paths interpolate runtime, potentially attacker-controlled strings into single-quoted SQL literals without escaping or parameterization. The primary confirmed vector is a dictionary indexer key used by Where filters in src/Marten/Linq/Members/Dictionaries/DictionaryItemMember.cs. Additional affected sinks include SelectParser.cs, DatabaseScopedTenantPartitions.cs, and DeleteAllForTenant.cs reached through IEventStore.DeleteProjectionProgressAsync, while DictionaryContainsKeyFilter.cs (Newtonsoft serializer only; System.Text.Json is not affected) handles ContainsKey calls. Events/Daemon/Internals/EventLoader.cs contains a related per-tenant partition-pruning literal that the advisory identifies as a defense-in-depth sink. A crafted single quote can escape the generated literal, enabling filter or multi-tenant authorization bypass and blind data exfiltration, and deployments that permit semicolon-batched Npgsql statements may also allow data modification. This issue is fixed in version 9.13.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:L
来源: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
JasperFx marten >= 7.0.0, < 9.13.0 -

二、漏洞 CVE-2026-75513 的公开POC

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三、漏洞 CVE-2026-75513 的情报信息

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CVE-2026-75513 其他参考 (4)

IV. Related Vulnerabilities

Same product: marten
Same vendor: JasperFx
Same weakness: CWE-89

V. Comments for CVE-2026-75513

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