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CVE-2026-69086: SiYuan versions before v3.7.3 fail to validate the avID parameter on all code branches in attribute-view read endpoints, allowing attackers to construct traversal paths that escape

highCVSS 7.7CVE-2026-69086
SiYuan versions before v3.7.3 fail to validate the avID parameter on all code branches in attribute-view read endpoints, allowing attackers to construct traversal paths that escape the storage directory. Authenticated users with RoleReader permissions or anonymous clients when publish authentication is disabled can read JSON files outside the attribute-view directory to disclose cross-scope database content.

Details

Source
NVD Recent CVEs (US · database · site)
Severity
high — CVSS 7.7
Published
2026-08-03
Last updated
2026-08-03
Exploitation
Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-69086

Referenced CVEs

CVECSIRTS overviewExternal
CVE-2026-69086coverage & exploitation statusNVD · CVE.org

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