NetSight
medium4.4

CVE-2026-118680

SiYuan 3.8.7 through 3.8.8 fails to normalize Windows GLOBALROOT device-namespace aliases, bypassing the IsSensitivePath denylist.

Impact

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.

Affected products

ProductAffected versions
SiYuan 3.8.7
through 3.8.8

Versions were read from the advisory text. No structured product data has been published for this record yet.

Weakness classification

References