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Vulnerability record · CVE-2023-32074 · published 25 May 2023

CVE-2023-32074: Nextcloud user oidc improper restriction of authentication attempts vulnerability

Nextcloud · User Oidc

user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.2

9.8 CVSS 3.1 Critical EPSS 0.85% · top 43.3% CWE-307 · Improper restriction of authentication attempts
9.8CVSS 3.1 base score
0.85%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

user_oidc app is an OpenID Connect user backend for Nextcloud. Authentication can be broken/bypassed in user_oidc app. It is recommended that the Nextcloud user_oidc app is upgraded to 1.3.2

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x8mc-84wj-rf34 Vendor Advisory
https://github.com/nextcloud/user_oidc/pull/615 Issue TrackingPatch
https://hackerone.com/reports/1954711 Permissions Required
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-x8mc-84wj-rf34 Vendor Advisory
https://github.com/nextcloud/user_oidc/pull/615 Issue TrackingPatch
https://hackerone.com/reports/1954711 Permissions Required

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-32074), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.