diff --git a/sys-fs/fuse/Manifest b/sys-fs/fuse/Manifest
index ddf833b0b3595..353ce3551412b 100644
--- a/sys-fs/fuse/Manifest
+++ b/sys-fs/fuse/Manifest
@@ -1,3 +1,4 @@
 DIST fuse-2.9.9.tar.gz 1813177 BLAKE2B 9e9141380bda46eb0bcce325c6fd293fe3844fe884a4952bb38d4b89dc48b728ffcc891038b3a7a861f05acfacce9dd7bb0e11d600609f3ad0ab278ccbe98847 SHA512 3d82fafd04f2924299bb09d2bb144935fa004a43fb9a6568e2e1cc5a60fded2efa1711029a0d7f12b3e6e4501f7217f2ee3545646d89da8dece083cb390f23e2
 DIST fuse-3.18.2.tar.gz 4933779 BLAKE2B 852ac7e268cb290bcd0efec5e08f5ab09a2c1b87c168fc51e7f5a6da7d820a914106ec2cc4ec02e27b6e2adce60762f06ad299c9dea7f0295ef6331d7ecf9a85 SHA512 b2ca702b74788230981d05dc85458ee3582970dcb1526e7eda8f46e23d0373b361ef1438874a7caa46aaf02a5b84f7e5341fbe61e856cfbce849d1209b4aabbe
+DIST fuse-3.18.3.tar.gz 2579900 BLAKE2B d6d1312484bce853b8ad3df2be9ddc4fb9be237948cac48f4d76c1a303d2cc7dcc2c98faf1ca51093d663512040f12cd73376ec92e3f6974eaf0206f853abea3 SHA512 dba76ea2e12ab02c7cc58363e085929177ed17f525b41e194b06149ec16ed7d76f7686f695226e399289751af6e36572b60c1d8c512fd78f4070f005b162bb64
 DIST iconv.m4.bz2 3057 BLAKE2B 9d8f7637d87bfcea1b60f3ea11e162aecf391b3f4579a3b85afb01735f56bfbae363a7e781279f3b2bed0d1dd3336f7d0678d3b1d59004824d7d0ca848dceb6e SHA512 9899368b8acc06e216a7a548b83a894f780e152a02612cd52af02b5c3f2ff38e2c36e77bda300587f81c3d74c90addec8066885216fa0e74f3f3280a383d2b55
diff --git a/sys-fs/fuse/fuse-3.18.3.ebuild b/sys-fs/fuse/fuse-3.18.3.ebuild
new file mode 100644
index 0000000000000..821e63ddb88ce
--- /dev/null
+++ b/sys-fs/fuse/fuse-3.18.3.ebuild
@@ -0,0 +1,79 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+PYTHON_COMPAT=( python3_{12..15} )
+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? ( test )"
+
+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}
+	)
+"
+
+DOCS=( AUTHORS ChangeLog.rst README.md doc/README.NFS doc/kernel.txt )
+
+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}$(get_udevdir)/rules.d"
+	)
+	meson_src_configure
+}
+
+src_test() {
+	# Need short unix socket paths
+	local -x TMPDIR=/tmp
+	# mount/mountpoint-validation fails
+	local -x SANDBOX_ON=0
+	# Don't try to use systemd-run
+	local -x FUSE_TESTS_UNDER_SCOPE=1
+
+	multilib-minimal_src_test
+}
+
+multilib_src_install_all() {
+	# Installed via fuse-common
+	rm -r "${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}
+}