diff --git a/CHANGELOG.md b/CHANGELOG.md
index 11774f7d0..7632395cb 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@ SPDX-License-Identifier: GPL-3.0-or-later
 - irc: fix creation of irc.msgbuffer option without a server name
 - irc: ignore self join if the channel is already joined ([#2291](https://github.com/weechat/weechat/issues/2291))
 - relay/api: fix memory leaks in resources "ping" and "sync"
+- relay/api: fix memory leak in receive of message from remote WeeChat
 
 ## Version 4.8.1 (2025-12-01)
 
diff --git a/src/plugins/relay/api/remote/relay-remote-event.c b/src/plugins/relay/api/remote/relay-remote-event.c
index 0fcb27cb1..f51cbdbec 100644
--- a/src/plugins/relay/api/remote/relay-remote-event.c
+++ b/src/plugins/relay/api/remote/relay-remote-event.c
@@ -1283,7 +1283,15 @@ relay_remote_event_recv (struct t_relay_remote *remote, const char *data)
 
     json = cJSON_Parse (data);
     if (!json)
-        goto error_data;
+    {
+        weechat_printf (
+            NULL,
+            _("%sremote[%s]: invalid data received from remote relay: \"%s\""),
+            weechat_prefix ("error"),
+            remote->name,
+            data);
+        return;
+    }
 
     event.remote = remote;
     event.name = NULL;
@@ -1296,7 +1304,7 @@ relay_remote_event_recv (struct t_relay_remote *remote, const char *data)
     json_body = cJSON_GetObjectItem (json, "body");
 
     if (!body_type && ((code == 200) || (code == 204)))
-        return;
+        goto end;
 
     JSON_GET_STR(json, event_name);
     event.name = event_name;
@@ -1352,7 +1360,15 @@ relay_remote_event_recv (struct t_relay_remote *remote, const char *data)
             rc = (callback) (&event);
         }
         if (rc == WEECHAT_RC_ERROR)
-            goto error_cb;
+        {
+            weechat_printf (
+                NULL,
+                _("%sremote[%s]: callback failed for body type \"%s\""),
+                weechat_prefix ("error"),
+                remote->name,
+                body_type);
+            goto end;
+        }
     }
 
     if (!remote->synced && initial_sync)
@@ -1361,23 +1377,6 @@ relay_remote_event_recv (struct t_relay_remote *remote, const char *data)
         weechat_bar_item_update ("input_prompt");
     }
 
-    return;
-
-error_data:
-    weechat_printf (
-        NULL,
-        _("%sremote[%s]: invalid data received from remote relay: \"%s\""),
-        weechat_prefix ("error"),
-        remote->name,
-        data);
-    return;
-
-error_cb:
-    weechat_printf (
-        NULL,
-        _("%sremote[%s]: callback failed for body type \"%s\""),
-        weechat_prefix ("error"),
-        remote->name,
-        body_type);
-    return;
+end:
+    cJSON_Delete (json);
 }
diff --git a/src/plugins/relay/api/remote/relay-remote-network.c b/src/plugins/relay/api/remote/relay-remote-network.c
index f05156cf6..174345d18 100644
--- a/src/plugins/relay/api/remote/relay-remote-network.c
+++ b/src/plugins/relay/api/remote/relay-remote-network.c
@@ -156,6 +156,7 @@ relay_remote_network_check_auth (struct t_relay_remote *remote,
     int accept_ok, hash_size;
 
     http_resp = NULL;
+    json_body = NULL;
     msg_error = NULL;
     msg_resp_error = NULL;
     accept_ok = 0;
@@ -225,6 +226,9 @@ relay_remote_network_check_auth (struct t_relay_remote *remote,
 
     relay_http_response_free (http_resp);
 
+    if (json_body)
+        cJSON_Delete (json_body);
+
     return 1;
 
 error:
@@ -238,6 +242,8 @@ error:
         (msg_resp_error) ? msg_resp_error : "",
         (msg_resp_error) ? ")" : "");
     relay_http_response_free (http_resp);
+    if (json_body)
+        cJSON_Delete (json_body);
     return 0;
 }
 
@@ -1200,6 +1206,8 @@ relay_remote_network_url_handshake_cb (const void *pointer,
 
     remote->hook_url_handshake = NULL;
 
+    json_body = NULL;
+
     ptr_resp_code = weechat_hashtable_get (output, "response_code");
     if (ptr_resp_code && ptr_resp_code[0] && (strcmp (ptr_resp_code, "200") != 0))
     {
@@ -1211,7 +1219,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
             weechat_config_string (remote->options[RELAY_REMOTE_OPTION_URL]),
             ptr_resp_code);
         relay_remote_network_disconnect (remote);
-        return WEECHAT_RC_OK;
+        goto end;
     }
 
     ptr_error = weechat_hashtable_get (output, "error");
@@ -1225,7 +1233,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
             weechat_config_string (remote->options[RELAY_REMOTE_OPTION_URL]),
             ptr_error);
         relay_remote_network_disconnect (remote);
-        return WEECHAT_RC_OK;
+        goto end;
     }
 
     ptr_output = weechat_hashtable_get (output, "output");
@@ -1262,7 +1270,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
             weechat_config_string (remote->options[RELAY_REMOTE_OPTION_URL]),
             _("hash algorithm not found"));
         relay_remote_network_disconnect (remote);
-        return WEECHAT_RC_OK;
+        goto end;
     }
 
     if (remote->password_hash_iterations < 0)
@@ -1275,7 +1283,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
             weechat_config_string (remote->options[RELAY_REMOTE_OPTION_URL]),
             _("unknown number of hash iterations"));
         relay_remote_network_disconnect (remote);
-        return WEECHAT_RC_OK;
+        goto end;
     }
 
     if (remote->totp < 0)
@@ -1288,7 +1296,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
             weechat_config_string (remote->options[RELAY_REMOTE_OPTION_URL]),
             _("unknown TOTP status"));
         relay_remote_network_disconnect (remote);
-        return WEECHAT_RC_OK;
+        goto end;
     }
 
     if (weechat_relay_plugin->debug >= 1)
@@ -1325,7 +1333,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
                 weechat_prefix ("error"),
                 remote->name);
             relay_remote_network_disconnect (remote);
-            return WEECHAT_RC_OK;
+            goto end;
         }
         snprintf (option_name, length, "weechat.proxy.%s.type", proxy);
         proxy_type = weechat_config_get (option_name);
@@ -1343,7 +1351,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
                 _("%sremote[%s]: proxy \"%s\" not found, cannot connect"),
                 weechat_prefix ("error"), remote->name, proxy);
             relay_remote_network_disconnect (remote);
-            return WEECHAT_RC_OK;
+            goto end;
         }
         str_proxy_type = weechat_config_string (proxy_type);
         str_proxy_address = weechat_config_string (proxy_address);
@@ -1356,7 +1364,7 @@ relay_remote_network_url_handshake_cb (const void *pointer,
                   "proxy \"%s\""),
                 weechat_prefix ("error"), remote->name, proxy);
             relay_remote_network_disconnect (remote);
-            return WEECHAT_RC_OK;
+            goto end;
         }
     }
 
@@ -1375,6 +1383,9 @@ relay_remote_network_url_handshake_cb (const void *pointer,
         remote,
         NULL);
 
+end:
+    if (json_body)
+        cJSON_Delete (json_body);
     return WEECHAT_RC_OK;
 }