diff --git a/searx/engines/archlinux.py b/searx/engines/archlinux.py
index 9b8e39a05..9e3adf154 100644
--- a/searx/engines/archlinux.py
+++ b/searx/engines/archlinux.py
@@ -120,7 +120,7 @@ def fetch_traits(engine_traits: EngineTraits):
         'zh': 'Special:搜索',
     }
 
-    resp = get('https://wiki.archlinux.org/')
+    resp = get('https://wiki.archlinux.org/', timeout=3)
     if not resp.ok:  # type: ignore
         print("ERROR: response from wiki.archlinux.org is not OK.")
 
diff --git a/searx/engines/azure.py b/searx/engines/azure.py
index 35538b561..4c916bc3b 100644
--- a/searx/engines/azure.py
+++ b/searx/engines/azure.py
@@ -95,7 +95,7 @@ def authenticate(t_id: str, c_id: str, c_secret: str) -> str:
         "scope": "https://management.azure.com/.default",
     }
 
-    resp: SXNG_Response = http_post(url, body)
+    resp: SXNG_Response = http_post(url, body, timeout=5)
     if resp.status_code != 200:
         raise RuntimeError(f"Azure authentication failed (status {resp.status_code}): {resp.text}")
     return resp.json()["access_token"]
diff --git a/searx/engines/presearch.py b/searx/engines/presearch.py
index 69fbdfa91..c6abff115 100644
--- a/searx/engines/presearch.py
+++ b/searx/engines/presearch.py
@@ -140,7 +140,7 @@ def _get_request_id(query, params):
         if l.territory:
             headers['Accept-Language'] = f"{l.language}-{l.territory},{l.language};" "q=0.9,*;" "q=0.5"
 
-    resp = get(url, headers=headers)
+    resp = get(url, headers=headers, timout=5)
 
     for line in resp.text.split("\n"):
         if "window.searchId = " in line:
diff --git a/searx/engines/public_domain_image_archive.py b/searx/engines/public_domain_image_archive.py
index e3f8edb59..81beb418d 100644
--- a/searx/engines/public_domain_image_archive.py
+++ b/searx/engines/public_domain_image_archive.py
@@ -64,7 +64,7 @@ def _get_algolia_api_url():
         return __CACHED_API_URL
 
     # fake request to extract api url
-    resp = get(f"{pdia_base_url}/search/?q=")
+    resp = get(f"{pdia_base_url}/search/?q=", timeout=3)
     if resp.status_code != 200:
         raise LookupError("Failed to fetch config location (and as such the API url) for PDImageArchive")
     pdia_config_filepart = extr(resp.text, pdia_config_start, pdia_config_end)
diff --git a/searx/engines/pubmed.py b/searx/engines/pubmed.py
index 6fcfaa9a3..7e5ef2ce1 100644
--- a/searx/engines/pubmed.py
+++ b/searx/engines/pubmed.py
@@ -73,7 +73,7 @@ def request(query: str, params: "OnlineParams") -> None:
     )
     esearch_url = f"{eutils_api}/esearch.fcgi?{args}"
     # DTD: https://eutils.ncbi.nlm.nih.gov/eutils/dtd/20060628/esearch.dtd
-    esearch_resp: "SXNG_Response" = get(esearch_url)
+    esearch_resp: "SXNG_Response" = get(esearch_url, timeout=3)
     pmids_results = etree.XML(esearch_resp.content)
     pmids: list[str] = [i.text for i in pmids_results.xpath("//eSearchResult/IdList/Id")]
 
diff --git a/searx/engines/semantic_scholar.py b/searx/engines/semantic_scholar.py
index 985ebd8a3..390eccff3 100644
--- a/searx/engines/semantic_scholar.py
+++ b/searx/engines/semantic_scholar.py
@@ -66,7 +66,7 @@ def setup(engine_settings: dict[str, t.Any]) -> bool:
 def get_ui_version() -> str:
     ret_val: str = CACHE.get("X-S2-UI-Version")
     if not ret_val:
-        resp = get(base_url)
+        resp = get(base_url, timeout=3)
         if not resp.ok:
             raise RuntimeError("Can't determine Semantic Scholar UI version")
 
diff --git a/searx/engines/seznam.py b/searx/engines/seznam.py
index c7e0fe75f..713697709 100644
--- a/searx/engines/seznam.py
+++ b/searx/engines/seznam.py
@@ -27,7 +27,7 @@ base_url = 'https://search.seznam.cz/'
 
 
 def request(query, params):
-    response_index = get(base_url, headers=params['headers'], raise_for_httperror=True)
+    response_index = get(base_url, headers=params['headers'], raise_for_httperror=True, timout=3)
     dom = html.fromstring(response_index.text)
 
     url_params = {
diff --git a/searx/engines/soundcloud.py b/searx/engines/soundcloud.py
index b1bb329e1..b3819807d 100644
--- a/searx/engines/soundcloud.py
+++ b/searx/engines/soundcloud.py
@@ -124,7 +124,7 @@ def get_client_id() -> str | None:
 
     client_id = ""
     url = "https://soundcloud.com"
-    resp = http_get(url, timeout=10)
+    resp = http_get(url, timeout=3)
 
     if not resp.ok:
         logger.error("init: GET %s failed", url)