CVE-2026-69086: SiYuan before v3.7.3 Path Traversal via unvalidated avID
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
SiYuanto a version that resolves this vulnerability.Fixed in 3.7.3
Event History
Frequently Asked Questions
What is the severity of CVE-2026-69086?
The severity of CVE-2026-69086 is rated as high with a score of 7.7.
How do I fix CVE-2026-69086?
To fix CVE-2026-69086, upgrade SiYuan to version 3.7.3 or later which addresses the path traversal vulnerability.
Who is affected by CVE-2026-69086?
CVE-2026-69086 affects authenticated users with RoleReader permissions and anonymous clients accessing attribute-view read endpoints in versions prior to 3.7.3.
What type of vulnerability is CVE-2026-69086?
CVE-2026-69086 is a Path Traversal vulnerability that allows attackers to access files outside the intended storage directory.
When was CVE-2026-69086 published?
CVE-2026-69086 was published on August 3, 2026.