CVE-2026-73047 - siyuan before v3.7.4 Server-Side Template Injection via attribute-view

CVE-2026-73047 - siyuan before v3.7.4 Server-Side Template Injection via attribute-view

https://cvefeed.io/rssfeed/latest.atom / Sun, 08/16/2026 - 07:26
CVE ID :CVE-2026-73047
Published : Aug. 15, 2026, 10:16 p.m. | 5 hours, 12 minutes ago
Description :siyuan versions <= 3.7.3 (fixed in v3.7.4) contain a server-side template injection vulnerability in the attribute-view Template calculation feature (introduced in v3.7.0-beta.1). The feature's template engine uses Sprig's unmodified function map, which still exposes the env, expandenv, and getHostByName functions that were removed elsewhere for CVE-2024-55660. A local, unauthenticated attacker (the kernel binds to 127.0.0.1 by default with no per-UID access control) can inject a malicious Template calculation formula to read environment variables belonging to the account running siyuan — including from a separate, unprivileged OS account — and to perform DNS lookups from the server's network position.
Severity: 6.2 | MEDIUM
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