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I. Basic Information for CVE-2025-8396
Vulnerability Information

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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Insufficiently specific bounds checking on authorization header could lead to denial of service in the Temporal server on all platforms due to excessive memory allocation.This issue affects all platforms and versions of OSS Server prior to 1.26.3, 1.27.3, and 1.28.1 (i.e., fixed in 1.26.3, 1.27.3, and 1.28.1 and later). Temporal Cloud services are not impacted.
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
Temporal OSS Server 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Temporal OSS Server是Temporal开源的一款工作流编排引擎。 Temporal OSS Server 1.26.3之前版本、1.27.3之前版本和1.28.1之前版本存在安全漏洞,该漏洞源于授权标头边界检查不足,可能导致内存过度分配和拒绝服务。
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
TemporalOSS Server 0 ~ 1.26.3 -
II. Public POCs for CVE-2025-8396
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III. Intelligence Information for CVE-2025-8396
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IV. Related Vulnerabilities
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