PT-2026-85007

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.8.2 Description An incomplete blocklist in the IsForbiddenAbsPath function kernel/util/path guard.go fails to restrict access to the TLS private key conf/key.pem and the CA private key conf/ca.key within the conf/...

CVE-2026-82651

SiYuan before v3.8.1 does not apply the IsForbiddenAbsPath guard introduced in GHSA-c8r8-95hg-mp34 to the /history/path and /repo/diff/path endpoints in kernel/server/serve.go. These routes require admin authentication but construct file paths independently, so an authenticated administrator can...

CVE-2026-82651

SiYuan before v3.8.1 fails to apply the IsForbiddenAbsPath guard (introduced in GHSA-c8r8-95hg-mp34) to the /history/*path and /repo/diff/*path endpoints in kernel/server/serve.go. Although these routes require admin authentication , they construct file paths independently, allowing an authentica...

CVE-2026-82651 SiYuan before v3.8.1 Missing Authorization via /history and /repo/diff

SiYuan before v3.8.1 does not apply the IsForbiddenAbsPath guard introduced in GHSA-c8r8-95hg-mp34 to the /history/path and /repo/diff/path endpoints in kernel/server/serve.go. These routes require admin authentication but construct file paths independently, so an authenticated administrator can...

EUVD-2026-68237

SiYuan before v3.8.1 does not apply the IsForbiddenAbsPath guard introduced in GHSA-c8r8-95hg-mp34 to the /history/path and /repo/diff/path endpoints in kernel/server/serve.go. These routes require admin authentication but construct file paths independently, so an authenticated administrator can...