diff --git a/PyMISP b/PyMISP
index 05beec393..492cfba2d 160000
--- a/PyMISP
+++ b/PyMISP
@@ -1 +1 @@
-Subproject commit 05beec393c5613c352dafdaeaf5dcf983bfb2d51
+Subproject commit 492cfba2d2ad015d3fcda6e16c221fdefd93eca2
diff --git a/app/Controller/AppController.php b/app/Controller/AppController.php
index 59afa2732..c7828fdce 100755
--- a/app/Controller/AppController.php
+++ b/app/Controller/AppController.php
@@ -34,7 +34,7 @@ class AppController extends Controller
     public $helpers = array('OrgImg', 'FontAwesome', 'UserName');
 
     private $__queryVersion = '159';
-    public $pyMispVersion = '2.4.184';
+    public $pyMispVersion = '2.4.185';
     public $phpmin = '7.2';
     public $phprec = '7.4';
     public $phptoonew = '8.0';
diff --git a/app/Model/Attribute.php b/app/Model/Attribute.php
index ea9ba304c..99830885d 100644
--- a/app/Model/Attribute.php
+++ b/app/Model/Attribute.php
@@ -2403,11 +2403,15 @@ class Attribute extends AppModel
                 $timestamp[0] = $timestamp[1];
                 $timestamp[1] = $temp;
             }
-            $conditions['AND'][] = array($scope . ' >=' => $timestamp[0]);
+            if ($timestamp[0] != 0) {
+                $conditions['AND'][] = array($scope . ' >=' => $timestamp[0]);
+            }
             $conditions['AND'][] = array($scope . ' <=' => $timestamp[1]);
         } else {
             $timestamp = $this->resolveTimeDelta($timestamp);
-            $conditions['AND'][] = array($scope . ' >=' => $timestamp);
+            if ($timestamp !== 0) {
+                $conditions['AND'][] = array($scope . ' >=' => $timestamp);
+            }
         }
         if ($returnRaw) {
             return $timestamp;
diff --git a/app/Model/Sighting.php b/app/Model/Sighting.php
index 7384869b9..6f91868ba 100644
--- a/app/Model/Sighting.php
+++ b/app/Model/Sighting.php
@@ -1102,8 +1102,12 @@ class Sighting extends AppModel
                 $conditions['Attribute.uuid'] = $filters['uuid'];
                 $contain[] = 'Attribute';
             } elseif ($filters['context'] === 'event') {
-                $conditions['Event.uuid'] = $filters['uuid'];
-                $contain[] = 'Event';
+                $temp = $this->Event->find('column', [
+                    'recursive' => -1,
+                    'fields' => ['Event.id'],
+                    'conditions' => ['Event.uuid IN' => $filters['uuid']]
+                ]);
+                $conditions['Sighting.event_id'] = empty($temp) ? -1 : $temp;
             }
         }
 
@@ -1131,15 +1135,30 @@ class Sighting extends AppModel
         $tmpfile = new TmpFileTool();
         $tmpfile->write($exportTool->header($exportToolParams));
         $separator = $exportTool->separator($exportToolParams);
-
+        
         // fetch sightings matching the query without ACL checks
-        $sightingIds = $this->find('column', [
-            'conditions' => $conditions,
-            'fields' => ['Sighting.id'],
-            'contain' => $contain,
-            'order' => 'Sighting.id',
-        ]);
-
+        if (!empty($conditions['Sighting.event_id']) && is_array($conditions['Sighting.event_id'])) {
+            $conditions_copy = $conditions;
+            $sightingIds = [];
+            foreach ($conditions['Sighting.event_id'] as $e_id) {
+                $conditions_copy['Sighting.event_id'] = $e_id;
+                $tempIds = $this->find('column', [
+                    'conditions' => $conditions,
+                    'fields' => ['Sighting.id'],
+                    'contain' => $contain
+                ]);
+                if (!empty($tempIds)) {
+                    $sightingIds = array_merge($sightingIds, $tempIds);
+                }
+            }
+        } else {
+            $sightingIds = $this->find('column', [
+                'conditions' => $conditions,
+                'fields' => ['Sighting.id'],
+                'contain' => $contain
+            ]);
+        }
+        
         foreach (array_chunk($sightingIds, 500) as $chunk) {
             // fetch sightings with ACL checks and sighting policies
             $sightings = $this->getSightings($user, $chunk, $includeEvent, $includeAttribute, $includeUuid);
diff --git a/db_schema.json b/db_schema.json
index e474a4f03..eddfd6cba 100644
--- a/db_schema.json
+++ b/db_schema.json
@@ -10548,4 +10548,4 @@
         }
     },
     "db_version": "122"
-}
\ No newline at end of file
+}
diff --git a/requirements.txt b/requirements.txt
index 5953ff55d..1fbc05deb 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -6,7 +6,7 @@ misp-lib-stix2>=3.0.1.1
 mixbox>=1.0.5
 plyara>=2.1.1
 pydeep2>=0.5.1
-pymisp==2.4.184
+pymisp==2.4.185
 python-magic>=0.4.27
 pyzmq>=25.1.1
 redis>=5.0.1