diff --git a/dojo/importers/default_reimporter.py b/dojo/importers/default_reimporter.py
index 2828b8cec30..2a24afe8981 100644
--- a/dojo/importers/default_reimporter.py
+++ b/dojo/importers/default_reimporter.py
@@ -409,6 +409,7 @@ def process_findings(
                     finding = self.finding_post_processing(
                         finding,
                         unsaved_finding,
+                        is_matched_finding=bool(matched_findings),
                     )
                     # all data is already saved on the finding, we only need to trigger post processing in batches
                     push_to_jira = self.push_to_jira and ((not self.findings_groups_enabled or not self.group_by) or not finding_will_be_grouped)
@@ -926,6 +927,8 @@ def finding_post_processing(
         self,
         finding: Finding,
         finding_from_report: Finding,
+        *,
+        is_matched_finding: bool = False,
     ) -> Finding:
         """
         Save all associated objects to the finding after it has been saved
@@ -940,19 +943,22 @@ def finding_post_processing(
             self.endpoint_manager.chunk_endpoints_and_disperse(finding, finding_from_report.unsaved_endpoints)
             if len(self.endpoints_to_add) > 0:
                 self.endpoint_manager.chunk_endpoints_and_disperse(finding, self.endpoints_to_add)
-        # Parsers shouldn't use the tags field, and use unsaved_tags instead.
-        # Merge any tags set by parser into unsaved_tags
-        tags_from_parser = finding_from_report.tags if isinstance(finding_from_report.tags, list) else []
-        unsaved_tags_from_parser = finding_from_report.unsaved_tags if isinstance(finding_from_report.unsaved_tags, list) else []
-        merged_tags = unsaved_tags_from_parser + tags_from_parser
-        if merged_tags:
-            finding_from_report.unsaved_tags = merged_tags
-        if finding_from_report.unsaved_tags:
-            cleaned_tags = clean_tags(finding_from_report.unsaved_tags)
-            if isinstance(cleaned_tags, list):
-                finding.tags.add(*cleaned_tags)
-            elif isinstance(cleaned_tags, str):
-                finding.tags.add(cleaned_tags)
+        # For matched/existing findings, do not update tags from the report,
+        # consistent with how other fields are handled on reimport.
+        if not is_matched_finding:
+            # Parsers shouldn't use the tags field, and use unsaved_tags instead.
+            # Merge any tags set by parser into unsaved_tags
+            tags_from_parser = finding_from_report.tags if isinstance(finding_from_report.tags, list) else []
+            unsaved_tags_from_parser = finding_from_report.unsaved_tags if isinstance(finding_from_report.unsaved_tags, list) else []
+            merged_tags = unsaved_tags_from_parser + tags_from_parser
+            if merged_tags:
+                finding_from_report.unsaved_tags = merged_tags
+            if finding_from_report.unsaved_tags:
+                cleaned_tags = clean_tags(finding_from_report.unsaved_tags)
+                if isinstance(cleaned_tags, list):
+                    finding.tags.add(*cleaned_tags)
+                elif isinstance(cleaned_tags, str):
+                    finding.tags.add(cleaned_tags)
         # Process any files
         if finding_from_report.unsaved_files:
             finding.unsaved_files = finding_from_report.unsaved_files
diff --git a/unittests/test_tags.py b/unittests/test_tags.py
index f29ea69f6ae..b9077e1daab 100644
--- a/unittests/test_tags.py
+++ b/unittests/test_tags.py
@@ -369,12 +369,12 @@ def assert_tags_in_findings(findings: list[dict], expected_finding_count: int, d
         findings = response["results"]
         # Make sure we have what we are looking for
         assert_tags_in_findings(findings, 2, ["security", "network"])
-        # Reimport with a different report that has more tags
+        # Reimport with a different report that has more tags — matched findings should retain their original tags
         self.reimport_scan_with_params(test_id, self.generic_sample_with_more_tags_filename, scan_type="Generic Findings Import")
         response = self.get_test_findings_api(test_id)
         findings = response["results"]
-        # Make sure we have what we are looking for
-        assert_tags_in_findings(findings, 2, ["security", "network", "hardened"])
+        # Tags from the report are not applied to matched findings on reimport, consistent with other fields
+        assert_tags_in_findings(findings, 2, ["security", "network"])
 
 
 @versioned_fixtures