[Bug]: Multiple Ldap doesn't working

[aknauss]

⚠️ This issue respects the following points: ⚠️

• This is a bug, not a question or a configuration/webserver/proxy issue.
• This issue is not already reported on Github (I've searched it).
• Nextcloud Server is up to date. See Maintenance and Release Schedule for supported versions.
• Nextcloud Server is running on 64bit capable CPU, PHP and OS.
• I agree to follow Nextcloud's Code of Conduct.

Bug description

Hello,
I have two LDAP configuration s04 and s05.
I recently updated Nextcloud to 26.
But now when I try to connect, I can't. Ldap servers switch between them instead test on all LDAP configurations

php ./occ ldap:test-config s04 ---- I check status of my first LDAP

The configuration is valid and the connection could be established!

php ./occ ldap:check-user toto ---- I check user

The user is still available on LDAP.

php ./occ ldap:check-user toto ---- I check again with the same user (seems to test on my second config of LDAP...)

The user does not exists on LDAP anymore.
Clean up the user's remnants by: ./occ user:delete "toto"

php ./occ ldap:test-config s04 ---- I do a check again my user work again

The configuration is valid and the connection could be established!

php ./occ ldap:check-user toto

The user is still available on LDAP.

For now, I deleted my second LDAP's configuration and all seems to be ok except some users on my second LDAP who can't access to my nextcloud until I find a patch...

Thanks a lot

Steps to reproduce

1. Create two LDAP's configuration
2. login with a user who appear only on one ldap

Expected behavior

User checked on all LDAP

Installation method

None

Nextcloud Server version

24

Operating system

None

PHP engine version

None

Web server

None

Database engine version

None

Is this bug present after an update or on a fresh install?

None

Are you using the Nextcloud Server Encryption module?

None

What user-backends are you using?

• Default user-backend (database)
• LDAP/ Active Directory
• SSO - SAML
• Other

Configuration report

No response

List of activated Apps

Enabled:
  - admin_audit: 1.16.0
  - circles: 26.0.0
  - cloud_federation_api: 1.9.0
  - comments: 1.16.0
  - contactsinteraction: 1.7.0
  - dashboard: 7.6.0
  - dav: 1.25.0
  - deck: 1.9.0
  - drawio: 2.1.0
  - encryption: 2.14.0
  - federatedfilesharing: 1.16.0
  - federation: 1.16.0
  - files: 1.21.1
  - files_downloadactivity: 1.16.0
  - files_external: 1.18.0
  - files_pdfviewer: 2.7.0
  - files_rightclick: 1.5.0
  - files_sharing: 1.18.0
  - files_trashbin: 1.16.0
  - files_versions: 1.19.1
  - firstrunwizard: 2.15.0
  - integration_openai: 1.0.2
  - keeweb: 0.6.12
  - logreader: 2.11.0
  - lookup_server_connector: 1.14.0
  - nextcloud_announcements: 1.15.0
  - notes: 4.7.2
  - notifications: 2.14.0
  - oauth2: 1.14.0
  - password_policy: 1.16.0
  - photos: 2.2.0
  - picker: 1.0.4
  - privacy: 1.10.0
  - provisioning_api: 1.16.0
  - quota_warning: 1.16.0
  - recommendations: 1.5.0
  - related_resources: 1.1.0-alpha1
  - richdocuments: 8.0.0
  - serverinfo: 1.16.0
  - settings: 1.8.0
  - sharebymail: 1.16.0
  - spreed: 16.0.1
  - support: 1.9.0
  - survey_client: 1.14.0
  - suspicious_login: 4.4.0
  - systemtags: 1.16.0
  - tables: 0.3.3
  - tasks: 0.14.5
  - text: 3.7.2
  - theming: 2.1.1
  - twofactor_backupcodes: 1.15.0
  - updatenotification: 1.16.0
  - user_ldap: 1.16.0
  - user_status: 1.6.0
  - user_usage_report: 1.10.0
  - viewer: 1.10.0
  - weather_status: 1.6.0
  - workflowengine: 2.8.0
Disabled:
  - accessibility: 1.10.0
  - activity: 2.18.0 (installed 2.13.2)
  - analytics: 4.8.0 (installed 4.8.0)
  - announcementcenter: 6.5.1 (installed 6.5.1)
  - bruteforcesettings: 2.6.0 (installed 2.4.0)
  - carnet: 0.24.6 (installed 0.24.6)
  - contacts: 5.2.0 (installed 5.2.0)
  - dashboardcharts: 0.1.3 (installed 0.1.3)
  - data_request: 1.13.0 (installed 1.13.0)
  - drop_account: 2.1.0 (installed 2.1.0)
  - duplicatefinder: 0.0.15 (installed 0.0.15)
  - end_to_end_encryption: 1.12.3 (installed 1.12.3)
  - epubreader: 1.4.7 (installed 1.4.7)
  - files_accesscontrol: 1.16.0 (installed 1.16.0)
  - files_automatedtagging: 1.16.1 (installed 1.16.1)
  - files_mindmap: 0.0.27 (installed 0.0.27)
  - files_retention: 1.15.0 (installed 1.15.0)
  - files_texteditor: 2.15.0 (installed 2.15.0)
  - files_videoplayer: 1.13.0
  - forms: 3.2.0 (installed 3.2.0)
  - groupfolders: 14.0.0 (installed 14.0.0)
  - mail: 3.0.2 (installed 3.0.2)
  - officeonline: 2.0.0 (installed 2.0.0)
  - ojsxc: 5.0.0 (installed 5.0.0)
  - quicknotes: 0.8.5 (installed 0.8.5)
  - terms_of_service: 2.1.0 (installed 2.1.0)
  - twofactor_totp: 8.0.0-alpha.0 (installed 6.4.1)
  - twofactor_u2f: 6.4.0-alpha.1 (installed 6.4.0-alpha.1)
  - user_external: 3.1.0 (installed 3.1.0)
  - user_saml: 5.1.2 (installed 5.1.2)
  - workflow_pdf_converter: 1.11.0 (installed 1.11.0)

Nextcloud Signing status

No response

Nextcloud Logs

No response

Additional info

No response

[szaimen]

Cc @come-nc @blizzz

[bulli007]

I got the same issue with two ldap endpoints.
It looks like the same Problem with bugreport #34993

[blizzz]

Logs could be helpful.

[Quax1507]

Same problem with NC 26.0.1

[Dennis1993]

I can confirm that. After the Upgrade von 25.0.5 to 26.0.1 no user can use nextcloud anymore.
Rollback to 25 > OK!

Ubuntu 20.04
PHP 8.1
MariaDB 10.6

[chritd]

HI,
is there already a fix somewhere for this issue?
I was not able to find.
Many thanx for any help!

THX found solution. Issue solved

[Dennis1993]

Yes, it is fixed in the next update 26.0.2
A fix is here #37903