CVE-2026-56776

CVE-2026-56776 affects n8n versions prior to 1.123.55, 2.25.7, and 2.26.2. The issue is an authorization bypass in POST /workflows/{workflowId}/test-runs/new where access is granted using workflow:read instead of workflow:execute, enabling an authenticated user with read-only access to trigger a ...

Linux Distros Unpatched Vulnerability : CVE-2026-53074

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and addres...

CVE-2026-53111

In the Linux kernel, the following vulnerability has been resolved: bpf: testrun: Fix the null pointer dereference issue in bpflwtxmitpushencap The bpflwtxmitpushencap helper needs to access skbdstskb-dev to calculate the needed headroom: err = skbcowheadskb, len + LLRESERVEDSPACEskbdstskb-dev; B...

CVE-2026-53074

In the Linux kernel, the following vulnerability has been resolved: bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and address fields for the test run. For IPv4 and IPv6 packets, it may access...

CVE-2026-53111

In the Linux kernel, CVE-2026-53111 is a concrete issue in the BPF LWT encap path. The bug occurs in bpf_lwt_xmit_push_encap when skb_dst(skb)->dev is used to compute headroom, but skb->_skb_refdst may be uninitialized during bpf_prog_test_run_skb, causing a NULL pointer dereference and a k...

EUVD-2026-38979

In the Linux kernel, the following vulnerability has been resolved: bpf: testrun: Fix the null pointer dereference issue in bpflwtxmitpushencap The bpflwtxmitpushencap helper needs to access skbdstskb-dev to calculate the needed headroom: err = skbcowheadskb, len + LLRESERVEDSPACEskbdstskb-dev; B...

CVE-2026-53111 bpf: test_run: Fix the null pointer dereference issue in bpf_lwt_xmit_push_encap

In the Linux kernel, the following vulnerability has been resolved: bpf: testrun: Fix the null pointer dereference issue in bpflwtxmitpushencap The bpflwtxmitpushencap helper needs to access skbdstskb-dev to calculate the needed headroom: err = skbcowheadskb, len + LLRESERVEDSPACEskbdstskb-dev; B...

CVE-2026-53074 bpf: reject short IPv4/IPv6 inputs in bpf_prog_test_run_skb

In the Linux kernel, the following vulnerability has been resolved: bpf: reject short IPv4/IPv6 inputs in bpfprogtestrunskb bpfprogtestrunskb calls ethtypetrans first and then uses skb-protocol to initialize sk family and address fields for the test run. For IPv4 and IPv6 packets, it may access...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: Fixed a reference count leak in bpfprogtestrunxdp syzbot reports: unregisternetdevice: Waiting for sit0 to become available. Usage count = 2. A debug printk patch revealed that a reference count is obtained at...

GHSA-HV7X-3X78-GX53 n8n: Wrong OAuth Scope On Evaluations Test Run Creation Endpoint

Impact The POST /workflows/workflowId/test-runs/new endpoint authorized access using workflow:read rather than workflow:execute. An authenticated user with read-only access to a workflow could trigger a real evaluation test run, causing the workflow to execute via the internal workflow runner. Th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: bpf, testrun: Fixed an alignment issue in bpfprogtestrunskb. We encountered a syzkaller issue due to an alignment fault for aarch64 architectures when KFENCE is enabled. When the size provided by the user’s bpf program is an o...

SUSE CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

Linux Distros Unpatched Vulnerability : CVE-2026-23140

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

UBUNTU-CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140 bpf, test_run: Subtract size of xdp_frame from allowed metadata size

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

EUVD-2026-5897

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...

CVE-2026-23140

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Subtract size of xdpframe from allowed metadata size The xdpframe structure takes up part of the XDP frame headroom, limiting the size of the metadata. However, in bpftestrun, we don't take this into account, which...