CVE Catalog

CVE-2026-45275

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.36%

28th percentile - higher than 28% of all known CVEs

Summary

In the Nextcloud Approval app prior to version 2.7.2, a privilege escalation vulnerability allows a user without sharing permissions to force the system to share a file with approvers.

Risk Assessment

An unauthorized user can gain access to files they should not have access to, compromising data confidentiality.

Recommendation

Update the Approval app to version 2.7.2 or later.

Related vulnerabilities

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS