diff --git a/doc/changes/unreleased.md b/doc/changes/unreleased.md
index 5cd75f42be..b1179794c6 100644
--- a/doc/changes/unreleased.md
+++ b/doc/changes/unreleased.md
@@ -5,3 +5,4 @@
 ## Refactoring
 
 * #800: Removed tbx security pretty-print, tbx lint pretty-print, and creation of .lint.txt, as superseded by Sonar and .lint.json usage
+* #791: Resolved Sonar concerns: accepted specific `subprocess` import usage & improved minor maintainability items
diff --git a/exasol/toolbox/nox/_artifacts.py b/exasol/toolbox/nox/_artifacts.py
index 19eab7d9da..fe28599c61 100644
--- a/exasol/toolbox/nox/_artifacts.py
+++ b/exasol/toolbox/nox/_artifacts.py
@@ -2,7 +2,7 @@
 import os
 import shutil
 import sqlite3
-import subprocess  # nosec
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import sys
 from collections.abc import Iterable
 from pathlib import Path
@@ -42,13 +42,13 @@ def check_artifacts(session: Session) -> None:
     """Validate that all project artifacts are available and consistent"""
     all_files = {f.name for f in PROJECT_CONFIG.root_path.iterdir() if f.is_file()}
     if missing_files := (ALL_LINT_FILES - all_files):
-        print(f"files not available: {missing_files}", file=sys.stderr)
+        print(f"files not available: {sorted(missing_files)}", file=sys.stderr)
         sys.exit(1)
 
     all_is_valid_checks = [
+        _is_valid_coverage(Path(PROJECT_CONFIG.root_path, COVERAGE_DB)),
         _is_valid_lint_json(Path(PROJECT_CONFIG.root_path, LINT_JSON)),
         _is_valid_security_json(Path(PROJECT_CONFIG.root_path, SECURITY_JSON)),
-        _is_valid_coverage(Path(PROJECT_CONFIG.root_path, COVERAGE_DB)),
     ]
     if not all(all_is_valid_checks):
         sys.exit(1)
diff --git a/exasol/toolbox/nox/_documentation.py b/exasol/toolbox/nox/_documentation.py
index 4d4b106d75..5c2988e0d3 100644
--- a/exasol/toolbox/nox/_documentation.py
+++ b/exasol/toolbox/nox/_documentation.py
@@ -3,7 +3,7 @@
 import argparse
 import json
 import shutil
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import sys
 import tempfile
 import webbrowser
diff --git a/exasol/toolbox/nox/_release.py b/exasol/toolbox/nox/_release.py
index 1607292205..ad50104ce5 100644
--- a/exasol/toolbox/nox/_release.py
+++ b/exasol/toolbox/nox/_release.py
@@ -2,7 +2,7 @@
 
 import argparse
 import re
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 from pathlib import Path
 
 import nox
diff --git a/exasol/toolbox/sphinx/multiversion/git.py b/exasol/toolbox/sphinx/multiversion/git.py
index 4737ee038a..22fca61259 100644
--- a/exasol/toolbox/sphinx/multiversion/git.py
+++ b/exasol/toolbox/sphinx/multiversion/git.py
@@ -3,7 +3,7 @@
 import logging
 import os
 import re
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import tarfile
 import tempfile
 
@@ -143,7 +143,7 @@ def file_exists(gitroot, refname, filename):
     return proc.returncode == 0
 
 
-def copy_tree(gitroot, src, dst, reference, sourcepath="."):
+def copy_tree(gitroot, dst, reference, sourcepath="."):
     with tempfile.SpooledTemporaryFile() as fp:
         cmd = (
             "git",
diff --git a/exasol/toolbox/sphinx/multiversion/main.py b/exasol/toolbox/sphinx/multiversion/main.py
index f183d97cc8..b3fea3760c 100644
--- a/exasol/toolbox/sphinx/multiversion/main.py
+++ b/exasol/toolbox/sphinx/multiversion/main.py
@@ -10,7 +10,7 @@
 import re
 import shutil
 import string
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import sys
 import tempfile
 from importlib import resources
@@ -310,7 +310,7 @@ def _main(args, argv):
             # Clone Git repo
             repopath = os.path.join(tmp, gitref.commit)
             try:
-                git.copy_tree(str(gitroot), gitroot.as_uri(), repopath, gitref)
+                git.copy_tree(str(gitroot), repopath, gitref)
             except (OSError, subprocess.CalledProcessError):
                 logger.error(
                     "Failed to copy git tree for %s to %s",
@@ -524,9 +524,8 @@ def _main(args, argv):
                             build_artefacts = candidate_files
                         if len(build_artefacts) == 0:
                             logger.warning(
-                                ("Build artefact {project}" "not found.").format(
-                                    project=build_file_pattern.lower(),
-                                )
+                                "Build artifact %s not found.",
+                                build_file_pattern.lower(),
                             )
                         elif len(build_artefacts) > 1:
                             logger.warning(
diff --git a/exasol/toolbox/tools/issue.py b/exasol/toolbox/tools/issue.py
index a41658841e..2eb35efdef 100644
--- a/exasol/toolbox/tools/issue.py
+++ b/exasol/toolbox/tools/issue.py
@@ -7,6 +7,7 @@
 CLI = typer.Typer()
 PKG = "exasol.toolbox.templates.github.ISSUE_TEMPLATE"
 LEXER = "markdown"
+ISSUE_TEMPLATE_PATH = Path("./.github/ISSUE_TEMPLATE")
 
 
 @CLI.command(name="list")
@@ -31,7 +32,7 @@ def show_issue(
 def diff_issue(
     issue: str = typer.Argument(..., help="issue which shall be diffed."),
     dest: Path = typer.Argument(
-        Path("./.github/ISSUE_TEMPLATE"),
+        ISSUE_TEMPLATE_PATH,
         help="target directory to diff the issue against.",
     ),
 ) -> None:
@@ -47,7 +48,7 @@ def diff_issue(
 def install_issue(
     issue: str = typer.Argument("all", help="name of the issue to install."),
     dest: Path = typer.Argument(
-        Path("./.github/ISSUE_TEMPLATE"),
+        ISSUE_TEMPLATE_PATH,
         help="target directory to install the issue to.",
     ),
 ) -> None:
@@ -63,7 +64,7 @@ def install_issue(
 def update_issue(
     issue: str = typer.Argument("all", help="name of the issue to install."),
     dest: Path = typer.Argument(
-        Path("./.github/ISSUE_TEMPLATE"),
+        ISSUE_TEMPLATE_PATH,
         help="target directory to install the issue to.",
     ),
     confirm: bool = typer.Option(
diff --git a/exasol/toolbox/tools/security.py b/exasol/toolbox/tools/security.py
index 9fc30161b4..bcc5e0017d 100644
--- a/exasol/toolbox/tools/security.py
+++ b/exasol/toolbox/tools/security.py
@@ -4,7 +4,7 @@
 
 import json
 import re
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import sys
 from collections.abc import (
     Generator,
@@ -159,7 +159,7 @@ def from_pip_audit(report: str) -> Iterable[Issue]:
         )
         if cves:
             yield Issue(
-                cve=sorted(cves)[0],
+                cve=min(cves),
                 cwe="None" if not cwes else ", ".join(cwes),
                 description=vulnerability["description"],
                 coordinates=vulnerability["coordinates"],
diff --git a/exasol/toolbox/util/dependencies/audit.py b/exasol/toolbox/util/dependencies/audit.py
index 26bc4fbd38..553c835f73 100644
--- a/exasol/toolbox/util/dependencies/audit.py
+++ b/exasol/toolbox/util/dependencies/audit.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 import json
-import subprocess  # nosec
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import tempfile
 from dataclasses import dataclass
 from enum import Enum
diff --git a/exasol/toolbox/util/dependencies/licenses.py b/exasol/toolbox/util/dependencies/licenses.py
index db329e9076..d40d9d91ad 100644
--- a/exasol/toolbox/util/dependencies/licenses.py
+++ b/exasol/toolbox/util/dependencies/licenses.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 import tempfile
 from collections import OrderedDict
 from dataclasses import dataclass
diff --git a/exasol/toolbox/util/dependencies/poetry_dependencies.py b/exasol/toolbox/util/dependencies/poetry_dependencies.py
index e56ecefe0f..26a0265565 100644
--- a/exasol/toolbox/util/dependencies/poetry_dependencies.py
+++ b/exasol/toolbox/util/dependencies/poetry_dependencies.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 from collections import OrderedDict
 from pathlib import Path
 
diff --git a/exasol/toolbox/util/git.py b/exasol/toolbox/util/git.py
index e74ab640c9..0322bc4bbc 100644
--- a/exasol/toolbox/util/git.py
+++ b/exasol/toolbox/util/git.py
@@ -1,4 +1,4 @@
-import subprocess  # nosec
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 from functools import wraps
 from pathlib import Path
 
diff --git a/exasol/toolbox/util/version.py b/exasol/toolbox/util/version.py
index d65968384d..86dc177e2d 100644
--- a/exasol/toolbox/util/version.py
+++ b/exasol/toolbox/util/version.py
@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-import subprocess
+import subprocess  # nosec: B404 - risk of subprocess is accepted
 from dataclasses import dataclass
 from enum import Enum
 from functools import (
diff --git a/test/unit/nox/_artifacts_test.py b/test/unit/nox/_artifacts_test.py
index e086ded340..b850e3b6a5 100644
--- a/test/unit/nox/_artifacts_test.py
+++ b/test/unit/nox/_artifacts_test.py
@@ -118,7 +118,9 @@ def test_fails_when_file_missing(
         ) as session:
             with pytest.raises(SystemExit):
                 check_artifacts(session)
-        assert f"files not available: {missing_files}" in capsys.readouterr().err
+        assert (
+            f"files not available: {sorted(missing_files)}" in capsys.readouterr().err
+        )
 
     def test_fails_when_check_fails(
         self, test_project_config_factory, tmp_path, capsys