CVE-2026-45543

5.3 Moyenne

Publiée le 01/06/2026 à 21:16 · Modifiée le 22/07/2026 à 10:10 · Analysée par le NVD · Source : security-advisories@github.com

Description

Nextcloud is an open source content collaboration platform. From version 4.3.0 to before version 5.2.7, a removed collaborator retains unauthorized read access to uploaded respondent files for the affected form. The scope is limited to uploaded files for forms where that user previously had results access. This issue has been patched in version 5.2.7.

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Produits concernés

nextcloud security-advisories
Nextcloud forms

Scores CVSS

Version	Score	Source	Vecteur
3.1	5.3 Moyenne	security-advisories@github.com	`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N`

Faiblesses (CWE)

CWE-552

Références

https://github.com/nextcloud/forms/pull/3291 Issue TrackingPatch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-q4fw-6jf8-5vhh MitigationVendor Advisory
https://hackerone.com/reports/3617352 Permissions Required

Ailleurs

NVD
CVE.org
CIRCL Vulnerability-Lookup
CERT-FR
GitHub Advisories