diff --git a/sci-libs/cxsparse/Manifest b/sci-libs/cxsparse/Manifest
index ecf6350145138..2684cf415d0e0 100644
--- a/sci-libs/cxsparse/Manifest
+++ b/sci-libs/cxsparse/Manifest
@@ -1,2 +1,3 @@
 DIST SuiteSparse-7.0.0.gh.tar.gz 64884962 BLAKE2B 06c6cf54ffae188f5179e0cd45523700448d8999b44d6b1aeb3dfb99ccf34a570f6aff600988a144c68a4a2d8f41e32f7145e09349aed3bd889501ea031c8340 SHA512 50b1cd7bab6e4c063984162ed803fd13b69df7f67efe8ce7af15eace6b0ccd1669b6e57daa59511fd9531a847433cda49c1f52bfff234031af0d79e7fbd6423e
+DIST SuiteSparse-7.12.2.gh.tar.gz 95337908 BLAKE2B df279ccc572887ecda2809551eefd34d0780b9cfef5c257c6c9f218dbcc5140f44e148a8199ebe899984561bb454b1f202606f8af290d71f5caeef4c008659c4 SHA512 0a7d070c90ef0a55c3ed821edf6567f4a84d5615250898b8fbacad19e1cf53dba199c38369c771465b4149ba5501bf0c1ae1352f29d0fb462fd10ca90e486cfa
 DIST cxsparse-3.2.0.tar.bz2 2080196 BLAKE2B 9b89469c45e518077c4348ad3efd8d89d248e4c039057c0286ee44b493ab595075894d01530cbfbe845b91ef5e43cfbfdd102721cfeefe943a1cb4bc5f171843 SHA512 9931dac5b319b61a39ccb5f34309acb4240602b5f55d029c790ed0b7319a373cb925c4b83994526af4bc5b19b88c723f04581068d1fc80960a290c9d6d1e1aef
diff --git a/sci-libs/cxsparse/cxsparse-4.4.2.ebuild b/sci-libs/cxsparse/cxsparse-4.4.2.ebuild
new file mode 100644
index 0000000000000..50557958b3557
--- /dev/null
+++ b/sci-libs/cxsparse/cxsparse-4.4.2.ebuild
@@ -0,0 +1,113 @@
+# Copyright 1999-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+Sparse_PV="7.12.2"
+Sparse_P="SuiteSparse-${Sparse_PV}"
+DESCRIPTION="Extended sparse matrix package"
+HOMEPAGE="https://people.engr.tamu.edu/davis/suitesparse.html"
+SRC_URI="https://github.com/DrTimothyAldenDavis/SuiteSparse/archive/refs/tags/v${Sparse_PV}.tar.gz -> ${Sparse_P}.gh.tar.gz"
+
+S="${WORKDIR}/${Sparse_P}/CXSparse"
+LICENSE="LGPL-2.1"
+SLOT="0/4"
+KEYWORDS="~alpha ~amd64 ~arm ~arm64 ~hppa ~mips ~ppc ~ppc64 ~riscv ~sparc ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND=">=sci-libs/suitesparseconfig-${Sparse_PV}"
+RDEPEND="${DEPEND}"
+
+src_configure() {
+	# Define SUITESPARSE_INCLUDEDIR_POSTFIX to "" otherwise it take
+	# the value suitesparse, and the include directory would be set to
+	# /usr/include/suitesparse
+	# This need to be set in all suitesparse ebuilds.
+	local mycmakeargs=(
+		-DBUILD_STATIC_LIBS=OFF
+		-DSUITESPARSE_DEMOS=$(usex test)
+		-DSUITESPARSE_INCLUDEDIR_POSTFIX=""
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	# Because we are not using cmake_src_test,
+	# we have to manually go to BUILD_DIR
+	cd "${BUILD_DIR}" || die
+	# Programs assume that they can access the Matrix folder in ${S}
+	ln -s "${S}/Matrix" || die
+	# cs_demo2, cs_di_demo2, cs_dl_demo2
+	local demo_set_1=(
+		ash219
+		bcsstk01
+		bcsstk16
+		fs_183_1
+		lp_afiro
+		mbeacxc
+		t1
+		west0067
+	)
+	# cs_demo3, cs_di_demo3, cs_dl_demo3
+	local demo_set_2=(
+		bcsstk01
+		bcsstk16
+	)
+	# cs_ci_demo2, cs_cl_demo2
+	local demo_set_3=(
+		c4
+		c_mbeacxc
+		c_west0067
+		mhd1280b
+		neumann
+		qc324
+		t2
+		t3
+		t4
+		young1c
+	)
+	# cs_ci_demo3, cs_cl_demo3
+	local demo_set_4=(
+		c4
+		mhd1280b
+	)
+
+	declare -A testsuite
+	testsuite+=(
+		["cs_idemo"]=t2
+		["cs_ldemo"]=t2
+
+		["cs_demo1"]=t1
+		["cs_demo2"]=${demo_set_1[@]}
+		["cs_demo3"]=${demo_set_2[@]}
+
+        ["cs_ci_demo1"]=t2
+        ["cs_ci_demo2"]=${demo_set_3[@]}
+        ["cs_ci_demo3"]=${demo_set_4[@]}
+
+        ["cs_cl_demo1"]=t2
+        ["cs_cl_demo2"]=${demo_set_3[@]}
+        ["cs_cl_demo3"]=${demo_set_4[@]}
+
+        ["cs_di_demo1"]=t1
+        ["cs_di_demo2"]=${demo_set_1[@]}
+        ["cs_di_demo3"]=${demo_set_2[@]}
+
+        ["cs_dl_demo1"]=t1
+        ["cs_dl_demo2"]=${demo_set_1[@]}
+        ["cs_dl_demo3"]=${demo_set_2[@]}
+	)
+
+	# Run demo files
+	local i
+	local j
+	for i in ${!testsuite[@]}; do
+		for j in ${testsuite[${i[@]}]}; do
+			./${i} < Matrix/${j} || die "failed testing ${i} with ${j}"
+		done
+	done
+	einfo "All tests passed"
+}