CVE-2026-45543

MEDIUM

Nextcloud Forms 4.3.0-5.2.6 - Unauthorized Read Access to Uploaded Respondent Files

Title source: llm
STIX 2.1

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.

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.0027
EPSS Percentile 18.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-552
Status published
Products (1)
nextcloud/forms 4.3.0 - 5.2.7
Published Jun 01, 2026
Tracked Since Jun 02, 2026