diff --git a/routers/api/v1/api.go b/routers/api/v1/api.go
index e84b07ba47..8e78efae9f 100644
--- a/routers/api/v1/api.go
+++ b/routers/api/v1/api.go
@@ -1453,9 +1453,9 @@ func Routes() *web.Router {
 							Delete(reqToken(), repo.DeleteTopic)
 					}, reqAdmin())
 				}, reqAnyRepoReader())
-				m.Get("/issue_templates", context.ReferencesGitRepo(), repo.GetIssueTemplates)
-				m.Get("/issue_config", context.ReferencesGitRepo(), repo.GetIssueConfig)
-				m.Get("/issue_config/validate", context.ReferencesGitRepo(), repo.ValidateIssueConfig)
+				m.Get("/issue_templates", reqRepoReader(unit.TypeCode), context.ReferencesGitRepo(), repo.GetIssueTemplates)
+				m.Get("/issue_config", reqRepoReader(unit.TypeCode), context.ReferencesGitRepo(), repo.GetIssueConfig)
+				m.Get("/issue_config/validate", reqRepoReader(unit.TypeCode), context.ReferencesGitRepo(), repo.ValidateIssueConfig)
 				m.Get("/languages", reqRepoReader(unit.TypeCode), repo.GetLanguages)
 				m.Get("/licenses", reqRepoReader(unit.TypeCode), repo.GetLicenses)
 				m.Get("/activities/feeds", repo.ListRepoActivityFeeds)
diff --git a/tests/integration/api_issue_config_test.go b/tests/integration/api_issue_config_test.go
index 31dfa9ce92..06b972d7ee 100644
--- a/tests/integration/api_issue_config_test.go
+++ b/tests/integration/api_issue_config_test.go
@@ -8,6 +8,7 @@ import (
 	"net/http"
 	"testing"
 
+	auth_model "code.gitea.io/gitea/models/auth"
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
@@ -176,3 +177,19 @@ func TestAPIRepoValidateIssueConfig(t *testing.T) {
 		assert.NotEmpty(t, issueConfigValidation.Message)
 	})
 }
+
+func TestAPIRepoIssueConfigRequiresCodeUnit(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 24})
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	token := getUserToken(t, user.Name, auth_model.AccessTokenScopeReadRepository)
+
+	for _, path := range []string{
+		fmt.Sprintf("/api/v1/repos/%s/issue_config", repo.FullName()),
+		fmt.Sprintf("/api/v1/repos/%s/issue_config/validate", repo.FullName()),
+	} {
+		req := NewRequest(t, "GET", path).AddTokenAuth(token)
+		MakeRequest(t, req, http.StatusForbidden)
+	}
+}
diff --git a/tests/integration/api_issue_templates_test.go b/tests/integration/api_issue_templates_test.go
index 452ff1c9d2..e9b28f65ec 100644
--- a/tests/integration/api_issue_templates_test.go
+++ b/tests/integration/api_issue_templates_test.go
@@ -8,10 +8,12 @@ import (
 	"net/url"
 	"testing"
 
+	auth_model "code.gitea.io/gitea/models/auth"
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
 	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/tests"
 
 	"github.com/stretchr/testify/assert"
 )
@@ -49,3 +51,19 @@ about: bar
 		assert.Equal(t, "error occurs when parsing issue template: count=2", resp.Header().Get("X-Gitea-Warning"))
 	})
 }
+
+func TestAPIIssueTemplateRequiresCodeUnit(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+
+	repo := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 24})
+	user := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	token := getUserToken(t, user.Name, auth_model.AccessTokenScopeReadRepository)
+	issueTemplatesURL := "/api/v1/repos/" + repo.FullName() + "/issue_templates"
+	languagesURL := "/api/v1/repos/" + repo.FullName() + "/languages"
+
+	req := NewRequest(t, "GET", issueTemplatesURL).AddTokenAuth(token)
+	MakeRequest(t, req, http.StatusForbidden)
+
+	req = NewRequest(t, "GET", languagesURL).AddTokenAuth(token)
+	MakeRequest(t, req, http.StatusForbidden)
+}