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I. Basic Information for CVE-2026-1842
Vulnerability Information

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Vulnerability Title
HyperCloud Improper Refresh Token Validation and Access Token Invalidation Allows Long-Term Unauthorized Access
Source: NVD (National Vulnerability Database)
Vulnerability Description
HyperCloud versions 2.3.5 through 2.6.8 improperly allowed refresh tokens to be used directly for resource access and failed to invalidate previously issued access tokens when a refresh token was used. Because refresh tokens have a significantly longer lifetime (default one year), an authenticated client could use a refresh token in place of an access token to maintain long-term access without token rotation. Additionally, old access tokens remained valid after refresh, enabling concurrent or extended use beyond intended session boundaries. This vulnerability could allow prolonged unauthorized access if a token is disclosed.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不充分的会话过期机制
Source: NVD (National Vulnerability Database)
Vulnerability Title
SoftIron HyperCloud 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SoftIron HyperCloud是SoftIron公司的一款智能云架构。 SoftIron HyperCloud 2.6.8及之前版本存在安全漏洞,该漏洞源于允许直接使用刷新令牌进行资源访问,且在使用刷新令牌时未能使先前颁发的访问令牌失效,可能导致长期未经授权的访问。
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
SoftIronHyperCloud 2.3.5 ~ 2.6.9 -
II. Public POCs for CVE-2026-1842
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III. Intelligence Information for CVE-2026-1842
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IV. Related Vulnerabilities
V. Comments for CVE-2026-1842

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