SiYuan: authFilePublishAccess distinguishes hidden and forbidden documents from public and nonexistent ones, and issues a publish-auth cookie for documents it reports as forbidden

影響: go:github.com/siyuan-note/siyuan/kernel < 0.0.0-20260731093152-c7522b8db586 → 0.0.0-20260731093152-c7522b8db586

/api/filetree/authFilePublishAccess is registered with CheckAuth only and is reachable anonymously. It never sets a failure code, so its outcome is signalled entirely by the response message and by whether a Set-Cookie header is present. Those two signals differ across access tiers, which lets an anonymous caller determine, for any candidate document identifier, whether that document is public or nonexistent, password-protected, or exists at the hidden or forbidden tier. Separately, hidden and…

Read on GitHub Advisory Database

On 10/24/2026, 03:31 AM, GitHub Advisory Database published "SiYuan: authFilePublishAccess distinguishes hidden and forbidden documents from public and nonexistent ones, and issues a publish-auth cookie for documents it reports as forbidden" (type: Advisory). Severity is "Medium" (medium). Related technologies: Go, GitHub. CVE: CVE-2026-73630.