CVE-2026-85578

    Dashboard / Vulnerabilities / CVE-2026-85578

    CVE-2026-85578

    Published: 4 Sept 2026Last Modified: 16 Sept 2026

    Summary: SiYuan through 3.8.1 Authorization Bypass via getFile

    Details: SiYuan through 3.8.1 contains an authorization bypass vulnerability in the /api/file/getFile endpoint that allows readers to retrieve files from notebooks explicitly configured as Visible:false. Attackers with reader role can access private workspace files including notebook metadata and internal configuration by knowing the hidden notebook identifier and file path.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85578.json, https://github.com/siyuan-note/siyuan/security/advisories/GHSA-8ggq-wq3f-vxrw, https://nvd.nist.gov/vuln/detail/CVE-2026-85578, https://www.vulncheck.com/advisories/siyuan-through-3.8.1-authorization-bypass-via-getfile

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -afa823b6b4e4f183511e0bc0a3be93caa94c7c97

    Affected versions

    v3.8.1-beta.6
    v3.8.1-beta.5
    v3.8.1-beta.4
    v3.8.1-beta.1
    v3.8.0
    v3.8.0-beta.2
    v3.8.0-alpha.4
    v3.8.0-alpha.3
    v3.8.0-alpha.2

    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
    CVE-2026-85578 | CVE-DB