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I. Basic Information for CVE-2025-64529
Vulnerability Information

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Vulnerability Title
SpiceDB's WriteRelationships fails silently if payload is too big
Source: NVD (National Vulnerability Database)
Vulnerability Description
SpiceDB is an open source database system for creating and managing security-critical application permissions. In versions prior to 1.45.2, users who use the exclusion operator somewhere in their authorization schema; have configured their SpiceDB server such that `--write-relationships-max-updates-per-call` is bigger than 6500; and issue calls to WriteRelationships with a large enough number of updates that cause the payload to be bigger than what their datastore allows; will receive a successful response from their `WriteRelationships` call, when in reality that call failed, and receive incorrect permission check results, if those relationships had to be read to resolve the relation involving the exclusion. Version 1.45.2 contains a patch for the issue. As a workaround, set `--write-relationships-max-updates-per-call` to `1000`.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不加限制或调节的资源分配
Source: NVD (National Vulnerability Database)
Vulnerability Title
SpiceDB 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SpiceDB是Authzed团队的一个细粒度权限数据库。 SpiceDB 1.45.2之前版本存在安全漏洞,该漏洞源于使用排除运算符时未正确处理写入关系调用,可能导致权限检查结果错误。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
authzedspicedb < 1.45.2 -
II. Public POCs for CVE-2025-64529
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III. Intelligence Information for CVE-2025-64529
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IV. Related Vulnerabilities
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