EUVD-2026-57463

SiYuan: Missing publish-access filter on getBlockAttrs and batchGetBlockAttrs discloses block attributes name, alias, memo, custom fields of protected documents...

SiYuan: Missing publish-access filter on getBlockAttrs and batchGetBlockAttrs discloses block attributes (name, alias, memo, custom fields) of protected documents

CVE: This vulnerability corresponds to CVE-2026-72803. Summary POST /api/attr/getBlockAttrs and POST /api/attr/batchGetBlockAttrs return a block's full attribute set IAL with no publish-access check. Both are CheckAuth-only, so they are reachable by the publish RoleReader token and by the anonymo...

CVE-2026-72803

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs...

CVE-2026-72803

SiYuan before v3.7.4 fails to enforce publish-access checks in getBlockAttrs and batchGetBlockAttrs. An attacker can retrieve block attributes (names, aliases, memos, custom fields) from protected documents by sending POST requests with block IDs. Affected: SiYuan

CVE-2026-72803 SiYuan before v3.7.4 Information Disclosure via getBlockAttrs

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs...

CVE-2026-72803 SiYuan before v3.7.4 Information Disclosure via getBlockAttrs

SiYuan versions before v3.7.4 fail to enforce publish-access checks in the getBlockAttrs and batchGetBlockAttrs endpoints. Attackers can retrieve block attributes including names, aliases, memos, and custom fields from protected documents by sending POST requests with block IDs...