CVE-2026-45153CWE-287

Nextcloud: PIN bypass in PassCodeActivity via back button

Medium · published June 1, 2026

CVSS v3.1
4.6
EPSS
0%
Percentile
10.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.6 · MEDIUM
Vector
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00205 · 10.0th percentile
Weakness
CWE-287 · Improper Authentication
Published
2026-06-01T16:37Z
EPSS history
Timeline
  • 01 JUN 16:37Z
    Nextcloud: PIN bypass in PassCodeActivity via back button
    cvelistv5