diff --git a/docs/content/issue_tracking/jira/OS__jira_guide.md b/docs/content/issue_tracking/jira/OS__jira_guide.md
index a9dca184057..59d9101f60f 100644
--- a/docs/content/issue_tracking/jira/OS__jira_guide.md
+++ b/docs/content/issue_tracking/jira/OS__jira_guide.md
@@ -159,7 +159,7 @@ Here is an example of a **jira\_full** Issue:
 
 #### Component
 
-If you manage your Jira Space using Components, you can assign the appropriate Component for DefectDojo here.
+If you manage your Jira Space using Components, you can assign the appropriate Component for DefectDojo here. To assign more than one Component, enter a comma-separated list (for example, `Security, DevSecOps`); each value is sent to Jira as a separate component.
 
 **Custom fields**
 
diff --git a/docs/content/issue_tracking/jira/PRO__jira_guide.md b/docs/content/issue_tracking/jira/PRO__jira_guide.md
index 6fe271f367a..7e7623a8f77 100644
--- a/docs/content/issue_tracking/jira/PRO__jira_guide.md
+++ b/docs/content/issue_tracking/jira/PRO__jira_guide.md
@@ -126,7 +126,7 @@ Here is an example of a **jira\_full** Issue:
 
 #### Component
 
-If you manage your Jira Space using Components, you can assign the appropriate Component for DefectDojo here.
+If you manage your Jira Space using Components, you can assign the appropriate Component for DefectDojo here. To assign more than one Component, enter a comma-separated list (for example, `Security, DevSecOps`); each value is sent to Jira as a separate component.
 
 #### Custom fields
 
diff --git a/dojo/jira/forms.py b/dojo/jira/forms.py
index 3ec7005d0fc..c014c92778a 100644
--- a/dojo/jira/forms.py
+++ b/dojo/jira/forms.py
@@ -135,6 +135,11 @@ def __init__(self, *args, **kwargs):
         self.engagement = kwargs.pop("engagement", None)
         super().__init__(*args, **kwargs)
 
+        self.fields["component"].help_text = (
+            "Comma-separate multiple components to assign more than one to the JIRA issue, "
+            "e.g. 'Security, DevSecOps'."
+        )
+
         logger.debug("self.target: %s, self.product: %s, self.instance: %s", self.target, self.product, self.instance)
         logger.debug("data: %s", self.data)
         if self.target == "engagement":
diff --git a/dojo/jira/helper.py b/dojo/jira/helper.py
index 5b83a0596ab..9ce434801ea 100644
--- a/dojo/jira/helper.py
+++ b/dojo/jira/helper.py
@@ -867,7 +867,12 @@ def prepare_jira_issue_fields(
     }
 
     if component_name:
-        fields["components"] = [{"name": component_name}]
+        # The component field holds a comma-separated list of component names, so split it
+        # into the list of components Jira expects ([{"name": "A"}, {"name": "B"}]). A single
+        # value without commas yields a single component. (SC-13173)
+        components = [{"name": name.strip()} for name in component_name.split(",") if name.strip()]
+        if components:
+            fields["components"] = components
 
     if custom_fields:
         fields.update(custom_fields)
diff --git a/unittests/test_jira_helper.py b/unittests/test_jira_helper.py
index b90a304f7a4..ba2019f0765 100644
--- a/unittests/test_jira_helper.py
+++ b/unittests/test_jira_helper.py
@@ -29,3 +29,49 @@ def test_issue_from_jira_is_active_with_unknown_status(self):
     def test_issue_from_jira_is_active_defaults_to_active_on_missing_attribute(self):
         """AttributeError anywhere in the fields.status.statusCategory.key chain defaults to active."""
         self.assertTrue(jira_helper.issue_from_jira_is_active(Mock(spec=[])))
+
+
+class JIRAComponentFieldTest(TestCase):
+
+    """
+    SC-13173: the JIRA project `component` field holds a comma-separated list of
+    component names. prepare_jira_issue_fields must split it into multiple Jira
+    components so Jira receives [{"name": "A"}, {"name": "B"}] instead of a single
+    component named "A,B".
+    """
+
+    def _fields(self, component_name):
+        return jira_helper.prepare_jira_issue_fields(
+            project_key="PROJ",
+            issuetype_name="Bug",
+            summary="summary",
+            description="description",
+            component_name=component_name,
+        )
+
+    def test_single_component(self):
+        fields = self._fields("Security")
+        self.assertEqual([{"name": "Security"}], fields["components"])
+
+    def test_multiple_components_split_on_comma(self):
+        fields = self._fields("Security,DevSecOps")
+        self.assertEqual([{"name": "Security"}, {"name": "DevSecOps"}], fields["components"])
+
+    def test_multiple_components_whitespace_trimmed(self):
+        fields = self._fields("Security, DevSecOps ,  Platform")
+        self.assertEqual(
+            [{"name": "Security"}, {"name": "DevSecOps"}, {"name": "Platform"}],
+            fields["components"],
+        )
+
+    def test_empty_entries_dropped(self):
+        fields = self._fields("Security,,DevSecOps,")
+        self.assertEqual([{"name": "Security"}, {"name": "DevSecOps"}], fields["components"])
+
+    def test_no_component_omits_field(self):
+        fields = self._fields("")
+        self.assertNotIn("components", fields)
+
+    def test_only_separators_omits_field(self):
+        fields = self._fields(" , , ")
+        self.assertNotIn("components", fields)