CVE-2026-76169

fastify versions = 4.0.0 and before 5.12.2 can route a malformed URL sent under one plugin prefix to the custom not-found handler of a different sibling plugin, and invoke it without the preHandler hook declared for that handler. The internal not-found router for encapsulated handlers dispatches...

CVE-2026-76169 fastify vulnerable to authentication bypass via malformed URLs reaching encapsulated not-found handlers

fastify versions = 4.0.0 and before 5.12.2 can route a malformed URL sent under one plugin prefix to the custom not-found handler of a different sibling plugin, and invoke it without the preHandler hook declared for that handler. The internal not-found router for encapsulated handlers dispatches...

PT-2026-85449

Name of the Vulnerable Software and Affected Versions fastify versions 4.0.0 through 5.12.1 Description An unauthenticated attacker can bypass authentication hooks and break prefix encapsulation by sending a malformed URL. The internal not-found router for encapsulated handlers dispatches malform...

CVE-2026-76169: Authentication Bypass Using an Alternate Path or Channel

fastify versions = 4.0.0 and before 5.12.2 can route a malformed URL sent under one plugin prefix to the custom not-found handler of a different sibling plugin, and invoke it without the preHandler hook declared for that handler. The internal not-found router for encapsulated handlers dispatches...

kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

CVE-2026-80612

A flaw was found in the Linux kernel's lightweight tunnel LWT encapsulation process. This vulnerability occurs when network packets carrying specific metadata are processed, causing the system to incorrectly overwrite or clear this metadata. Such an issue can lead to unexpected behavior or data...

Linux Distros Unpatched Vulnerability : CVE-2026-80612

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom,...

SUSE CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

UBUNTU-CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

CVE-2026-80612 net: lwtunnel: Drop skb metadata before LWT encapsulation

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

EUVD-2026-67488

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

CVE-2026-80612

This Linux kernel vulnerability affects the net lwtunnel (lightweight tunnel) subsystem. When LWT encapsulation prepends outer headers, it moves skb->data over the headroom where XDP/TC skb metadata resides. Non-BPF encaps types (MPLS, Seg6, IOAM6) silently overwrite this metadata via skb_push...

CVE-2026-80612 net: lwtunnel: Drop skb metadata before LWT encapsulation

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

CVE-2026-80612

In the Linux kernel, the following vulnerability has been resolved: net: lwtunnel: Drop skb metadata before LWT encapsulation skb metadata is meant for passing information between XDP and TC. It lives in the skb headroom, immediately before skb-data. LWT programs cannot access the skbuff-datameta...

zupt

Project archived. For newest versions and updates check it out. Compress everything. Trust nothing. Encrypt always...

PT-2026-82912

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the lwtunnel component where skb metadata, used for passing information between XDP eXpress Data Path and TC Traffic Control, is not properly handled before LWT...

kernel: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv()

In the Linux kernel, the following vulnerability has been resolved: ip6tunnel: use skbvlaninetprepare in ip6tnlrcv Blamed commit did not take care of VLAN encapsulations as spotted by syzbot 1. Use skbvlaninetprepare instead of pskbinetmaypull. 1 BUG: KMSAN: uninit-value in INETECNdecapsulate...

CVE-2026-76989

A security vulnerability has been detected in liftoff-sr CIPster 1802525be27d33e19a9a83c163e331a1d13b1892. This impacts an unknown function of the file source/src/enetencap/encap.cc of the component TCP Encapsulation Receive Path. The manipulation leads to out-of-bounds read. The attack can be...