diff --git a/profiles/arch/amd64/package.use.mask b/profiles/arch/amd64/package.use.mask
index 3f29bc57d4a23..5c780b3156556 100644
--- a/profiles/arch/amd64/package.use.mask
+++ b/profiles/arch/amd64/package.use.mask
@@ -17,6 +17,10 @@
 
 #--- END OF EXAMPLES ---
 
+# Sam James <sam@gentoo.org> (2025-12-23)
+# sys-process/numactl is available here
+sys-fs/fuse -io-uring
+
 # Mike Gilbert <floppym@gentoo.org> (2025-12-15)
 # arch-specific platform values
 sys-boot/grub -grub_platforms_pc -grub_platforms_xen-32
diff --git a/profiles/arch/arm64/package.use.mask b/profiles/arch/arm64/package.use.mask
index 97dfc17e7f377..1fc99d16b6ec0 100644
--- a/profiles/arch/arm64/package.use.mask
+++ b/profiles/arch/arm64/package.use.mask
@@ -1,6 +1,10 @@
 # Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Sam James <sam@gentoo.org> (2025-12-23)
+# sys-process/numactl is available here
+sys-fs/fuse -io-uring
+
 # Michał Górny <mgorny@gentoo.org> (2025-11-01)
 # app-crypt/sequoia-chameleon-gnupg is keyworded here.
 app-alternatives/gpg -sequoia
diff --git a/profiles/arch/base/package.use.mask b/profiles/arch/base/package.use.mask
index 608eb69643e94..0cb8547b7afaf 100644
--- a/profiles/arch/base/package.use.mask
+++ b/profiles/arch/base/package.use.mask
@@ -1,6 +1,10 @@
 # Copyright 1999-2025 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
+# Sam James <sam@gentoo.org> (2025-12-23)
+# sys-process/numactl is not available everywhere
+sys-fs/fuse io-uring
+
 # Mike Gilbert <floppym@gentoo.org (2025-12-15)
 # arch-specific platform values
 sys-boot/grub grub_platforms_loongson grub_platforms_qemu-mips
diff --git a/sys-fs/fuse/Manifest b/sys-fs/fuse/Manifest
index 9c8f6b6ca0713..819477c5c3c89 100644
--- a/sys-fs/fuse/Manifest
+++ b/sys-fs/fuse/Manifest
@@ -1,4 +1,5 @@
 DIST fuse-2.9.9.tar.gz 1813177 BLAKE2B 9e9141380bda46eb0bcce325c6fd293fe3844fe884a4952bb38d4b89dc48b728ffcc891038b3a7a861f05acfacce9dd7bb0e11d600609f3ad0ab278ccbe98847 SHA512 3d82fafd04f2924299bb09d2bb144935fa004a43fb9a6568e2e1cc5a60fded2efa1711029a0d7f12b3e6e4501f7217f2ee3545646d89da8dece083cb390f23e2
 DIST fuse-3.16.2.tar.gz 14165836 BLAKE2B 04f0037f924ef7b7cc90cb4c26afd1e942da69efebd93f3114774f2101550729379a0256ba190d7c99249fbce4ead5902133c01b29d8d75f41777d148540f521 SHA512 3e8889863cd67dada67271f095f694dc9e5aaf2561fd1e2285aee95b5a54e692bb195ab8fce57fc2bdf08d0ea17b6d56ca4967b4e4371d639d6133907b2370d3
 DIST fuse-3.17.4.tar.gz 7307414 BLAKE2B eb9dfd5c446a35f7ef0b6b58c52fe22d306782f5a8b56dc54b00829aa8a59700bd2b03755cc58221d154b88cbdb3da59913700b3d7efa67a586bfaa8fef00e9d SHA512 5451b374ceadb4cb5a8f0c396f1111932ec63984b80dfad7a76258c026b4e8e5ab4a563bb4a9e272d7fa62a5f452113885d4c3ea080a9f56b6aeb85d50c01010
+DIST fuse-3.18.1.tar.gz 8350400 BLAKE2B b0a38794b8eb932f7b23314afdaeacbdd302e9f9037794f5dceb87b22f19de8d125ec0112ee28751b94063324c872e03c26e3128c6cd817858245f7df5acd7ef SHA512 02a6ed591e3a634893ab9a621ccc3b745abda06c5da5a4f2a7cc5a1740ddf8199c841f987bcbc8958fc134c2d773055a06cf25aeb6ef55204a4598b99371cb0b
 DIST iconv.m4.bz2 3057 BLAKE2B 9d8f7637d87bfcea1b60f3ea11e162aecf391b3f4579a3b85afb01735f56bfbae363a7e781279f3b2bed0d1dd3336f7d0678d3b1d59004824d7d0ca848dceb6e SHA512 9899368b8acc06e216a7a548b83a894f780e152a02612cd52af02b5c3f2ff38e2c36e77bda300587f81c3d74c90addec8066885216fa0e74f3f3280a383d2b55
diff --git a/sys-fs/fuse/fuse-3.18.1.ebuild b/sys-fs/fuse/fuse-3.18.1.ebuild
new file mode 100644
index 0000000000000..7d291e3a4efa7
--- /dev/null
+++ b/sys-fs/fuse/fuse-3.18.1.ebuild
@@ -0,0 +1,94 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{11..14} )
+inherit flag-o-matic meson-multilib toolchain-funcs udev python-any-r1
+
+DESCRIPTION="An interface for filesystems implemented in userspace"
+HOMEPAGE="https://github.com/libfuse/libfuse"
+SRC_URI="https://github.com/libfuse/libfuse/releases/download/${P}/${P}.tar.gz"
+
+LICENSE="GPL-2 LGPL-2.1"
+SLOT="3/4"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~loong ~m68k ~mips ~ppc ~ppc64 ~riscv ~s390 ~sparc ~x86"
+IUSE="io-uring +suid systemtap test"
+RESTRICT="test"
+PROPERTIES="test_privileged"
+
+DEPEND="
+	io-uring? (
+		sys-libs/liburing:=[${MULTILIB_USEDEP}]
+		sys-process/numactl
+	)
+"
+RDEPEND="
+	${DEPEND}
+	>=sys-fs/fuse-common-3.3.0-r1
+"
+BDEPEND="
+	virtual/pkgconfig
+	test? (
+		${PYTHON_DEPS}
+		$(python_gen_any_dep '
+			dev-python/pytest[${PYTHON_USEDEP}]
+			dev-python/looseversion[${PYTHON_USEDEP}]
+		')
+	)
+"
+
+DOCS=( AUTHORS ChangeLog.rst README.md doc/README.NFS doc/kernel.txt )
+
+python_check_deps() {
+	python_has_version "dev-python/pytest[${PYTHON_USEDEP}]" &&
+	python_has_version "dev-python/looseversion[${PYTHON_USEDEP}]"
+}
+
+pkg_setup() {
+	use test && python-any-r1_pkg_setup
+}
+
+multilib_src_configure() {
+	# bug #853058
+	tc-is-clang && filter-lto
+
+	local emesonargs=(
+		$(meson_use test examples)
+		$(meson_use test tests)
+		$(meson_use systemtap enable-usdt)
+		$(meson_use io-uring enable-io-uring)
+		-Duseroot=false
+		-Dinitscriptdir=
+		-Dudevrulesdir="${EPREFIX}$(get_udevdir)/rules.d"
+	)
+	meson_src_configure
+}
+
+src_test() {
+	# For tests to pass:
+	# - sandbox must be disabled.
+	# - Write access to /dev/cuse* and /dev/fuse is required.
+	# - root must be a member of the portage group; CAP_DAC_OVERRIDE is dropped.
+	# - TMPDIR must be short for unix socket paths.
+	local -x TMPDIR=/tmp
+	local -x SANDBOX_ON=0
+	multilib-minimal_src_test
+}
+
+multilib_src_test() {
+	# Explicit test/ needed to pick up pytest.ini
+	epytest test/
+}
+
+multilib_src_install_all() {
+	# Installed via fuse-common
+	rm -r "${ED}"{/etc,$(get_udevdir)} || die
+
+	# useroot=false prevents the build system from doing this.
+	use suid && fperms u+s /usr/bin/fusermount3
+
+	# manually install man pages to respect compression
+	rm -r "${ED}"/usr/share/man || die
+	doman doc/{fusermount3.1,mount.fuse3.8}
+}
diff --git a/sys-fs/fuse/metadata.xml b/sys-fs/fuse/metadata.xml
index 1bd33fd41367b..f7a4fa43f9c36 100644
--- a/sys-fs/fuse/metadata.xml
+++ b/sys-fs/fuse/metadata.xml
@@ -4,6 +4,9 @@
 	<maintainer type="project">
 		<email>base-system@gentoo.org</email>
 	</maintainer>
+	<use>
+		<flag name="systemtap">Enable SystemTap/DTrace tracing</flag>
+	</use>
 	<upstream>
 		<remote-id type="cpe">cpe:/a:fuse:fuse</remote-id>
 		<remote-id type="github">libfuse/libfuse</remote-id>