SUSE CVE-2026-53520

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.14 to before version 2.1.0, authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing. This issue has been patched in version 2.1.0...

CVE-2026-54272

The CVE affects the ip-address JavaScript library (versions 10.1.1–10.2.0). A misclassification of IPv4-mapped/NAT64 IPv6 addresses in Address6.getType() caused SSRF and trust-boundary issues by not normalizing mapped addresses to IPv4 before checks, due to the IPv6 special-use prefix table missi...

CVE-2026-63913

The CVE-2026-63913 entry concerns the Linux kernel netfilter conntrack TCP state machine. A crafted RST with an invalid SEQ after observing a SYN could transition the conntrack entry to TCP_CONNTRACK_CLOSE, even if the RST is not a valid response to the observed SYN or its direction. This could p...

CVE-2026-63913

In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: tcp: do not force CLOSE on invalid-seq RST without direction check An unintended behavior in the TCP conntrack state machine allows a connection to be forced into the CLOSE state using an RST packet with an...

PT-2026-61230

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An unintended behavior in the TCP conntrack state machine allows a connection to be forced into the CLOSE state via an RST packet with an invalid sequence number. After a SYN packet is...

CVE-2026-56181 Windows Network Address Translation (NAT) Spoofing Vulnerability

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CVE-2026-56181 Windows Network Address Translation (NAT) Spoofing Vulnerability

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CVE-2026-56181

CVE-2026-56181 is a Windows Network Address Translation (NAT) spoofing vulnerability caused by an origin-validation error. It enables an adjacent-network attacker to impersonate a user on the NATed network, with high impact (code/privilege implications per report). Microsoft has released updates;...

Windows Network Address Translation (NAT) Spoofing Vulnerability

Origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network...

PT-2026-58599

Name of the Vulnerable Software and Affected Versions Windows Network Address Translation NAT affected versions not specified Description An origin validation error in Windows Network Address Translation NAT allows an unauthorized attacker to perform spoofing over an adjacent network, enabling th...

GO-2026-5824 Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing in github.com/nezhahq/nezha

Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing in github.com/nezhahq/nezha. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. If this is...

CVE-2026-53349

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfconntrack: destroy stale expectfn expectations on unregister NAT helpers such as nfnath323 store a raw pointer to module text in exp-expectfn e.g. ipnatq931expect. nfcthelperexpectfnunregister only unlinks the callba...

Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing

Summary An authenticated non-admin user who owns any server can create or update a NAT profile whose domain is equal to the dashboard's own HTTP Host for example, dashboard.example:8008. The dashboard's top-level HTTP/gRPC multiplexer checks NATShared.GetNATConfigByDomainr.Host before dispatching...

EUVD-2026-36599

Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing...

GHSA-X6FG-52VR-HJ4W Nezha Monitoring: Authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing

Summary An authenticated non-admin user who owns any server can create or update a NAT profile whose domain is equal to the dashboard's own HTTP Host for example, dashboard.example:8008. The dashboard's top-level HTTP/gRPC multiplexer checks NATShared.GetNATConfigByDomainr.Host before dispatching...

GO-2026-5607 MCP Registry has an unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist in github.com/modelcontextprotocol/registry

MCP Registry has an unauthenticated SSRF: HTTP namespace verification dials 6to4 / NAT64 / site-local IPv6 addresses, bypassing private-address allowlist in github.com/modelcontextprotocol/registry...

CVE-2026-53000

A flaw was found in the Linux kernel's netfilter component, specifically within the Network Address Translation NAT subsystem. This vulnerability involves improper memory management when releasing network filter operation structures. This could potentially allow an attacker to cause a system cras...

CVE-2026-53000

In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfreercu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nfhookops that are used to register the callbacks. However,...

CVE-2026-53000 netfilter: nat: use kfree_rcu to release ops

In the Linux kernel, the following vulnerability has been resolved: netfilter: nat: use kfreercu to release ops Florian Westphal says: "Historically this is not an issue, even for normal base hooks: the data path doesn't use the original nfhookops that are used to register the callbacks. However,...

CVE-2026-53520

Nezha Monitoring is a self-hostable, lightweight, servers and websites monitoring and O&M tool. From version 2.0.14 to before version 2.1.0, authenticated users can claim the dashboard Host through NAT and preempt all dashboard routing. This issue has been patched in version 2.1.0...