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    CVE-2026-101056

    Cloudreve before 4.16.1 fails to revalidate share access when restoring cached navigator state from a context_hint UUID. Attackers who previously had valid share access can replay the cached hint to generate signed file URLs for up to 300 seconds after the share is deleted, expires, or reaches zero remaining downloads.

    Published:Sep 27, 2026
    Last Modified:Sep 28, 2026
    EPS:Sep 27, 2026
    EPSS Score:0.00195
    CVSS Score:5.3

    Affected Products

    Vendor
    Cloudreve
    Product
    Cloudreve

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-863 Incorrect Authorization

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-101051 (CVSS 2.3) — Cloudreve before 4.16.1 fails to properly sanitize file paths returned by remote downloaders, allowing authent…
    CVE-2026-101048 (CVSS 5.3) — Cloudreve before 4.17.0 registers the administrative node test endpoints (POST /api/v4/admin/node/test and POS…
    CVE-2026-77637 (CVSS 3.8) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, tool.GET("wopi") and tool.POST…
    CVE-2026-77633 (CVSS 7.1) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, PrepareUpload in pkg/filemanag…
    CVE-2026-79913 (CVSS 6.5) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.18.0, the ValidateExternalURL server…
    CVE-2026-62323 (CVSS 6.3) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, ViewerSessionValidation uses o…
    CVE-2026-55502 (CVSS 7.1) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, POST /api/v4/admin/policy/oaut…
    CVE-2026-55499 (CVSS 4.3) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, a single-file share event-stre…
    CVE-2026-55497 (CVSS 6.5) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, the built-in thumbnail and ava…
    CVE-2026-55496 (CVSS 4.3) — Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, GET /api/v4/user/search calls …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High