CVE-2026-45153

MEDIUM

Nextcloud: PIN bypass in PassCodeActivity via back button

Title source: cna
STIX 2.1

Description

Nextcloud is an open source content collaboration platform. From version 33.0.0 to before version 33.1.0, after unlocking a locked Android phone the back-button could be used to bypass the Nextcloud Files app PIN. This issue has been patched in version 33.1.0.

References (3)

Core 3
Core References
X_Refsource_Misc x_refsource_misc
https://github.com/nextcloud/android/pull/16896
X_Refsource_Misc x_refsource_misc
https://hackerone.com/reports/3625210

Scores

CVSS v3 4.6
EPSS 0.0015
EPSS Percentile 4.8%
Attack Vector PHYSICAL
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Details

CWE
CWE-287
Status published
Products (1)
nextcloud/security-advisories >= 33.0.0, < 33.1.0
Published Jun 01, 2026
Tracked Since Jun 01, 2026