CVE-2026-66012 SiYuan before v3.7.2 Unauthenticated Administrator Takeover via MCP

SiYuan before v3.7.2 contains a missing authorization vulnerability in the POST /mcp kernel endpoint, which is gated only by a general auth check model.CheckAuth with no admin-role or read-only enforcement. This exposes 31 MCP tools, including a file tool with list/read/write/delete/rename/copy...

Denial Of Service

React Router is vulnerable to Denial Of Service. The vulnerability is due to insufficient protection of the manifest endpoint, where unauthenticated targeted requests can generate excessive server load, allowing attackers to degrade application performance and slow response times...

CVE-2026-64327

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

UBUNTU-CVE-2026-64331

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: fix NULL deref in vepdequeue vepallocrequest wasn't initializing vrequest-udc, so cancellations on the FunctionFS AIO path were arriving in vepdequeue without a valid UDC reference. Since vrequest-udc is never actual...

UBUNTU-CVE-2026-64327

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

UBUNTU-CVE-2026-64337

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: unmap request DMA on queue failure mtu3gadgetqueue maps the request before checking whether the QMU GPD ring can accept another transfer. the request is returned with -EAGAIN before it is linked on the endpoint request...

Cl0p Affiliates Target Internet-Exposed PTC Windchill and FlexPLM with Unauthenticated RCE

Threat actors linked to the Cl0p aka Chubby Scorpius, FIN11, Graceful Spider, and Lace Tempest ransomware campaign are exploiting flaws in internet-exposed PTC Windmill and FlexPLM deployments as part of a new data extortion campaign. "Attackers chain a pre-authentication information disclosure i...

CVE-2026-64348 usb: free iso schedules on failed submit

In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehciisosched before linking the URB to the endpoint queue, and keep the staged schedule in urb-hcpriv until isostreamschedule and the link...

CVE-2026-64348 usb: free iso schedules on failed submit

In the Linux kernel, the following vulnerability has been resolved: usb: free iso schedules on failed submit EHCI and FOTG210 isochronous submits build an ehciisosched before linking the URB to the endpoint queue, and keep the staged schedule in urb-hcpriv until isostreamschedule and the link...

CVE-2026-64337 usb: mtu3: unmap request DMA on queue failure

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: unmap request DMA on queue failure mtu3gadgetqueue maps the request before checking whether the QMU GPD ring can accept another transfer. the request is returned with -EAGAIN before it is linked on the endpoint request...

CVE-2026-64331 usbip: vudc: fix NULL deref in vep_dequeue()

In the Linux kernel, the following vulnerability has been resolved: usbip: vudc: fix NULL deref in vepdequeue vepallocrequest wasn't initializing vrequest-udc, so cancellations on the FunctionFS AIO path were arriving in vepdequeue without a valid UDC reference. Since vrequest-udc is never actual...

CVE-2026-64327

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

EUVD-2026-48871

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

CVE-2026-64327

The CVE-2026-64327 in the Linux kernel affects usb: gadget: f_fs. The vulnerability occurred because epfile->in was initialized only in ffs_func_eps_enable(), which runs after USB host connection. Early userspace IOCTLs could observe epfile->in as 0, causing incorrect DMA directions. The fi...

CVE-2026-64327 usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

CVE-2026-64327 usb: gadget: f_fs: Initialize epfile->in early to fix endpoint direction checks

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which contains the endpoint direction. However, epfile-in was previously on...

PT-2026-64552

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference exists in the vep dequeue function within the usbip vudc component. The issue occurs because vep alloc request fails to initialize the vrequest-udc variable...

Linux Distros Unpatched Vulnerability : CVE-2026-64327

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: ffs: Initialize epfile-in early to fix endpoint direction checks When parsing endpoint descriptors, ffsdatagotdescs generates the epsaddrmap which...

PT-2026-64762

Name of the Vulnerable Software and Affected Versions SiYuan versions prior to 3.7.2 Description A missing authorization issue exists in the 'POST /mcp' kernel endpoint, which is only protected by a general authentication check model.CheckAuth without enforcing admin roles or read-only...

PT-2026-64548

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the USB gadget functionfs module where the epfile-in variable is initialized too late. Specifically, epfile-in was only populated within the ffs func eps enable...