diff --git a/dev-build/corrosion/corrosion-0.6.1-r1.ebuild b/dev-build/corrosion/corrosion-0.6.1-r1.ebuild
new file mode 100644
index 0000000000000..999ac7255b43a
--- /dev/null
+++ b/dev-build/corrosion/corrosion-0.6.1-r1.ebuild
@@ -0,0 +1,62 @@
+# Copyright 2025-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+CRATES="
+	bitflags@1.3.2
+	cc@1.0.73
+"
+
+RUST_MIN_VERSION="1.77.4"
+
+inherit cargo cmake
+
+DESCRIPTION="Marrying Rust and CMake - Easy Rust and C/C++ Integration!"
+HOMEPAGE="https://github.com/corrosion-rs/corrosion"
+SRC_URI="
+	https://github.com/corrosion-rs/corrosion/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+	test? ( ${CARGO_CRATE_URIS} )
+"
+
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm ~arm64 ~loong ~ppc ~ppc64 ~riscv ~x86"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+BDEPEND="
+	test? ( dev-util/cbindgen )
+	>=dev-build/cmake-3.22
+"
+
+PATCHES=(
+	"${FILESDIR}/corrosion-0.6.1_cxxbridge-cmd_no_locked.patch"
+)
+
+CMAKE_SKIP_TESTS=(
+	# requires extensive rust-src cargo packages
+	custom_target_build
+	custom_target_run_test-exe
+	custom_target_run_rust-bin
+	install_lib_build
+	install_lib_run_main-static
+	install_lib_run_main-shared
+	# error[E0425]: cannot find function `print_line` in this scope
+	cargo_config_rustflags_build
+	# must be run but gets skipped sometimes?
+	cargo_config_rustflags_run_cargo_config_rustflags
+)
+
+src_configure() {
+	local mycmakeargs=(
+		-DCORROSION_BUILD_TESTS=$(usex test)
+	)
+	cmake_src_configure
+}
+
+src_test() {
+	# Some RUSTFLAGS like disabling debuginfo can mess with the tests
+	local -x RUSTFLAGS=
+	cmake_src_test
+}
diff --git a/dev-build/corrosion/files/corrosion-0.6.1_cxxbridge-cmd_no_locked.patch b/dev-build/corrosion/files/corrosion-0.6.1_cxxbridge-cmd_no_locked.patch
new file mode 100644
index 0000000000000..057aa5376c39c
--- /dev/null
+++ b/dev-build/corrosion/files/corrosion-0.6.1_cxxbridge-cmd_no_locked.patch
@@ -0,0 +1,20 @@
+From https://github.com/corrosion-rs/corrosion/commit/4b954fa5a238d78a80aacf85a667f4b426926e71
+From: Jonathan Schwender <schwenderjonathan@gmail.com>
+Date: Sat, 16 May 2026 16:25:49 +0200
+Subject: [PATCH] Install cxxbridge-cmd without --locked
+
+cxxbridge-cmd does not have a lockfile,
+and adding --locked caused issues for users
+using offline mode.
+
+Fixes #672
+--- a/cmake/Corrosion.cmake
++++ b/cmake/Corrosion.cmake
+@@ -1862,7 +1862,6 @@ function(corrosion_add_cxxbridge cxx_target)
+                     $CACHE{CORROSION_TOOLS_CARGO} install
+                     cxxbridge-cmd
+                     --version "${cxx_required_version}"
+-                    --locked
+                     --root "${CMAKE_BINARY_DIR}/corrosion/cxxbridge_v${cxx_required_version}"
+                     --quiet
+                     # todo: use --target-dir to potentially reuse artifacts