CVE-2026-45284

4.6 MEDIUM
Published: June 01, 2026 Modified: June 03, 2026
View on NVD

Description

Nextcloud is an open source content collaboration platform. From version 1.3.6 to before version 8.4.0, an improper check allowed users that where provided by LDAP to still authenticate towards user OIDC after they where deleted. This issue has been patched in version 8.4.0.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-79xf-ffj8-96fm
Source: security-advisories@github.com
Mitigation Vendor Advisory
https://github.com/nextcloud/user_oidc/pull/1340
Source: security-advisories@github.com
Issue Tracking Patch
https://hackerone.com/reports/3554696
Source: security-advisories@github.com
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3 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.6 / 10.0
EPSS (Exploit Probability)
0.2%
9th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-284

Affected Vendors

nextcloud

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