diff --git a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/HotspotWsResponseFormatter.java b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/HotspotWsResponseFormatter.java
index 99bca6ad5fdf..e204b7c7f1cf 100644
--- a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/HotspotWsResponseFormatter.java
+++ b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/HotspotWsResponseFormatter.java
@@ -114,13 +114,19 @@ private List<Hotspots.SearchWsResponse.Hotspot> mapHotspots(SearchResponseData s
         .setSecurityCategory(sqCategory.getKey())
         .setVulnerabilityProbability(sqCategory.getVulnerability().name())
         .setRuleKey(hotspot.getRuleKey().toString());
+      ofNullable(hotspot.getSeverity()).ifPresent(builder::setSeverity);
       ofNullable(hotspot.getStatus()).ifPresent(builder::setStatus);
       builder.setStatusMarkedBy(nullToEmpty(searchResponseData.getStatusMarkedBy(hotspot.getKey())));
       ofNullable(hotspot.getResolution()).ifPresent(builder::setResolution);
+      ofNullable(hotspot.getAssigneeUuid()).ifPresent(builder::setAssignee);
+      ofNullable(searchResponseData.getUserByUuid(hotspot.getAssigneeUuid())).ifPresent(user -> {String assignedTo = user.getName() != null && !user.getName().isBlank() ? user.getName() : user.getLogin();builder.setAssignedTo(assignedTo);
+      ofNullable(searchResponseData.getAssignedDate(hotspot.getKey())).ifPresent(date -> builder.setAssignedDate(formatDateTime(new Date(date))));});
+      boolean hasActiveException = "REVIEWED".equals(hotspot.getStatus()) && "EXCEPTION".equals(hotspot.getResolution());
+      if (hasActiveException) {ofNullable(hotspot.getIssueResolutionExpiresAt()).ifPresent(expiresAt -> builder.setExceptionExpiryDate(formatDateTime(new Date(expiresAt))));
+      ofNullable(searchResponseData.getExceptionReason(hotspot.getKey())).ifPresent(reason -> builder.setExceptionReason(reason));}
       ofNullable(hotspot.getLine()).ifPresent(builder::setLine);
       builder.setMessage(nullToEmpty(hotspot.getMessage()));
       builder.addAllMessageFormattings(MessageFormattingUtils.dbMessageFormattingToWs(hotspot.parseMessageFormattings()));
-      ofNullable(hotspot.getAssigneeUuid()).ifPresent(builder::setAssignee);
       builder.setAuthor(nullToEmpty(hotspot.getAuthorLogin()));
       builder.setCreationDate(formatDateTime(hotspot.getIssueCreationDate()));
       builder.setUpdateDate(formatDateTime(hotspot.getIssueUpdateDate()));
@@ -190,6 +196,8 @@ static final class SearchResponseData {
     private final Set<String> updatableComments = new HashSet<>();
     private final Map<String, UserDto> usersByUuid = new HashMap<>();
     private final Map<String, String> statusMarkedByByIssueKey = new HashMap<>();
+    private final Map<String, IssueChangeDto> exceptionReasonByIssueKey = new HashMap<>();
+    private final Map<String, Long> assignedDateByIssueKey = new HashMap<>();
 
     SearchResponseData(Paging paging, List<IssueDto> hotspots) {
       this.paging = paging;
@@ -220,6 +228,45 @@ public void addBranches(List<BranchDto> branchDtos) {
       }
     }
 
+      void addExceptionReasons(@Nullable List<IssueChangeDto> changes) {
+          if (changes == null) {
+              return;
+          }
+          changes.stream()
+                  .filter(c -> IssueChangeDto.TYPE_EXCEPTION_REASON.equals(c.getChangeType()))
+                  .forEach(c -> exceptionReasonByIssueKey.merge(c.getIssueKey(), c,
+                          (existing, current) ->
+                                  current.getIssueChangeCreationDate() > existing.getIssueChangeCreationDate()
+                                          ? current
+                                          : existing
+                  ));
+      }
+
+    @Nullable
+    String getExceptionReason(String issueKey) {
+          IssueChangeDto dto = exceptionReasonByIssueKey.get(issueKey);
+          return dto == null ? null : dto.getChangeData();
+    }
+
+      void addAssignedDates(@Nullable List<IssueChangeDto> changes) {
+          if (changes == null) {
+              return;
+          }
+          changes.stream()
+                  .filter(c -> IssueChangeDto.TYPE_FIELD_CHANGE.equals(c.getChangeType()))
+                  .filter(c -> c.getChangeData() != null && c.getChangeData().contains("assignee"))
+                  .forEach(c -> assignedDateByIssueKey.merge(
+                          c.getIssueKey(),
+                          c.getIssueChangeCreationDate(),
+                          Math::max
+                  ));
+      }
+
+    @Nullable
+    Long getAssignedDate(String issueKey) {
+        return assignedDateByIssueKey.get(issueKey);
+    }
+
     public BranchDto getBranch(String branchUuid) {
       return branchesByBranchUuid.get(branchUuid);
     }
diff --git a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/SearchAction.java b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/SearchAction.java
index 0a991a7042c9..9dc9d3cdd2d5 100644
--- a/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/SearchAction.java
+++ b/server/sonar-webserver-webapi/src/main/java/org/sonar/server/hotspot/ws/SearchAction.java
@@ -209,8 +209,20 @@ private void loadComments( Collector collector,DbSession dbSession, SearchRespon
      List<IssueChangeDto> comments = dbClient.issueChangeDao()
               .selectByTypeAndIssueKeys(dbSession, collector.getIssueKeys(), IssueChangeDto.TYPE_COMMENT);
      result.setComments(comments);
-     comments.stream().filter(c -> c.getUserUuid() != null)
+     List<IssueChangeDto> changes = dbClient.issueChangeDao()
+              .selectByIssueKeys(dbSession, collector.getIssueKeys());
+     result.addExceptionReasons(changes);
+     result.addAssignedDates(changes);
+     comments.stream()
+              .filter(c -> c.getUserUuid() != null)
               .forEach(comment -> loadComment(collector, result, comment));
+     changes.stream()
+              .filter(c -> c.getUserUuid() != null)
+              .forEach(change -> collector.addUserUuids(singletonList(change.getUserUuid())));
+      result.getHotspots().stream()
+              .map(IssueDto::getAssigneeUuid)
+              .filter(Objects::nonNull)
+              .forEach(uuid -> collector.addUserUuids(singletonList(uuid)));
      result.addUsers(dbClient.userDao().selectByUuids(dbSession, collector.getUserUuids()));
   }
 
diff --git a/sonar-ws/src/main/protobuf/ws-hotspots.proto b/sonar-ws/src/main/protobuf/ws-hotspots.proto
index 6ae29cd31e9f..e81a59130d0e 100644
--- a/sonar-ws/src/main/protobuf/ws-hotspots.proto
+++ b/sonar-ws/src/main/protobuf/ws-hotspots.proto
@@ -53,6 +53,11 @@ message SearchWsResponse {
     optional string cveId = 18;
     repeated sonarqube.ws.commons.Comment comments = 19;
     optional string statusMarkedBy = 20;
+    optional string severity = 21;
+    optional string exceptionExpiryDate = 22;
+    optional string exceptionReason = 23;
+    optional string assignedTo = 24;
+    optional string assignedDate = 25;
   }
 }