Medium severity4.3NVD Advisory· Published Nov 25, 2022· Updated Jun 17, 2026
CVE-2022-39339
CVE-2022-39339
Description
user_oidc is an OpenID Connect user backend for Nextcloud. In versions prior to 1.2.1 sensitive information such as the OIDC client credentials and tokens are sent in plain text of HTTP without TLS. Any malicious actor with access to monitor user traffic may have been able to compromise account security. This issue has been addressed in in user_oidc v1.2.1. Users are advised to upgrade. Users unable to upgrade may use https to access Nextcloud. Set an HTTPS discovery URL in the provider settings (in Nextcloud OIDC admin settings).
AI Insight
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Affected products
2- nextcloud/security-advisoriesv5Range: < 1.2.1
Patches
Vulnerability mechanics
References
3- github.com/nextcloud/security-advisories/security/advisories/GHSA-2vff-cq8h-chhgnvdPatchThird Party Advisory
- github.com/nextcloud/user_oidc/pull/495nvdPatchThird Party Advisory
- hackerone.com/reports/1687005nvdPermissions RequiredThird Party Advisory
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