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From "adfel (JIRA)" <>
Subject [jira] [Created] (SOLR-13472) HTTP requests to a node that does not hold a core of the collection are unauthorized
Date Wed, 15 May 2019 11:17:00 GMT
adfel created SOLR-13472:

             Summary: HTTP requests to a node that does not hold a core of the collection
are unauthorized
                 Key: SOLR-13472
             Project: Solr
          Issue Type: Bug
      Security Level: Public (Default Security Level. Issues are Public)
          Components: Authorization
    Affects Versions: 8.0, 7.7.1
            Reporter: adfel

When creating collection in SolrCloud, collection is available for queries and updates through
all Solr nodes, in particular nodes that does not hold one of collection's cores. This is
expected behaviour that works when using SolrJ client or HTTP requests.
When enabling authorization rules it seems that this behaviour is broken for HTTP requests:
 - executing request to a node that holds part of the collection (core) obey to authorization
rules as expected.
 - other nodes respond with code 403 - unauthorized request.

SolrJ still works as expected.
Tested both with BasicAuthPlugin and KerberosPlugin authentication plugins.

+Steps for reproduce:+
1. Create a cloud made of 2 nodes (node_1, node_2).
2. Configure authentication and authorization by uploading following security.json file to

 "authentication": {
   "blockUnknown": true,
   "class": "solr.BasicAuthPlugin",
   "credentials": {
     "solr": "'solr' user password_hash",
     "indexer_app": "'indexer_app' password_hash",
     "read_user": "'read_user' password_hash"
 "authorization": {
   "class": "solr.RuleBasedAuthorizationPlugin",
   "permissions": [
       "name": "read",
       "role": "*"
       "name": "update",
       "role": [
       "name": "all",
       "role": "admin"
   "user-role": {
     "solr": "admin",
     "indexer_app": "indexer"

3. create 'test' collection with one shard on *node_1*.


The following requests expected to succeed but return 403 status (unauthorized request):
curl -u read_user:read_user "http://node_2/solr/test/select?q=*:*"
curl -u indexer_app:indexer_app "http://node_2/solr/test/select?q=*:*"
curl -u indexer_app:indexer_app "http://node_2/solr/test/update?commit=true"

Authenticated '_solr_' user requests works as expected. My guess is due to the special '_all_'

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