Cannot authenticate on REST with a subwiki user

Reproduction steps:

• Create a subwiki named "sub" opened for global and local users
• Create a local user on the subwiki named SubUser with password SubPassword
• Create a local page "SubPage" only viewable by SubUser
• Call the following command to access the page:

  curl -u SubUser:SubPassword http://localhost:8080/xwiki/rest/wikis/sub/spaces/SubPage/pages/WebHome
  

Expected result:

• You obtain the information about the page

Obtained result:

• You get a 401 authentication failure and you have the following log in the server:

  2020-10-13 09:53:23,431 [qtp783286238-21 - http://localhost:8080/xwiki/rest/wikis/sub/spaces/SubPage/pages/WebHome] WARN  nticationFailureLoggerListener - Authentication failure with login [SubUser] 
  2020-10-13 09:53:23,439 [qtp783286238-21 - http://localhost:8080/xwiki/rest/wikis/sub/spaces/SubPage/pages/WebHome] WARN  nticationFailureLoggerListener - Authentication failure with login [SubUser] 
  2020-10-13 09:53:23,446 [qtp783286238-21 - http://localhost:8080/xwiki/rest/wikis/sub/spaces/SubPage/pages/WebHome] WARN  nticationFailureLoggerListener - Authentication failure with login [SubUser] 
  oct. 13, 2020 9:53:23 AM org.xwiki.rest.internal.XWikiSecretVerifier verify
  AVERTISSEMENT: Cannot authenticate 'SubUser'.