diff --git a/osv/repos.py b/osv/repos.py
index 9f69bbbd93a..78da8c93292 100644
--- a/osv/repos.py
+++ b/osv/repos.py
@@ -117,7 +117,8 @@ class RepoInaccessibleError(Exception):
 
 def clone(git_url, checkout_dir, git_callbacks=None, blobless=False):
   """Perform a clone."""
-  if GITTER_HOST:
+  # Don't user Gitter for oss-fuzz-vulns repo because it requires auth
+  if GITTER_HOST and git_url != 'ssh://github.com/google/oss-fuzz-vulns':
     try:
       os.makedirs(checkout_dir, exist_ok=True)
       resp = requests.get(