CVE-2026-45275
MEDIUMNextcloud Approval < 2.7.2 - Privilege Escalation via Forced File Sharing
Title source: llmDescription
Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, a privilege escalation vulnerability exists in the Approval app that allows a user without sharing permissions to force the system to share a file with approvers. This results in an authorization bypass and privilege escalation, allowing unauthorized distribution of restricted files. This issue has been patched in version 2.7.2.
References (3)
Core 3
Core References
Issue Tracking
https://github.com/nextcloud/approval/pull/392
Vendor Advisory
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-v8q8-w6c3-3gv9
Third Party Advisory
https://hackerone.com/reports/3593780
Scores
CVSS v3
6.5
EPSS
0.0036
EPSS Percentile
27.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Details
CWE
CWE-285
Status
published
Products (1)
nextcloud/approval
< 2.7.2
Published
Jun 01, 2026
Tracked Since
Jun 02, 2026