Is CVE-2026-118680 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-118680?

CVE-2026-118680 has a CVSS v3 severity of MEDIUM (4.4).

Back

CVE-2026-118680

Description

SiYuan 3.8.7 through 3.8.8 fails to normalize Windows GLOBALROOT device-namespace aliases, bypassing the IsSensitivePath denylist. Attackers can invoke importStdMd with a GLOBALROOT-prefixed path to copy the API token and TLS private key into the publicly served assets directory.