PT-2026-45469 · Nextcloud · Nextcloud

Dorra Jaouad · Published 2026-06-01 · Updated 2026-06-01 · CVE-2026-45153

Positive Technologies (AI Summary)

CVSS v3.1

4.6

Medium

Base vector

AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

Name of the Vulnerable Software and Affected Versions Nextcloud versions 33.0.0 through 33.0.x

Description An issue exists in the Nextcloud Files app for Android where the PIN can be bypassed. After unlocking a locked Android phone, the back-button can be used to circumvent the PIN requirement within the PassCodeActivity function.

Recommendations Update to version 33.1.0.

Fix

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

CVE-2026-45153

Affected Products

Nextcloud

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-45153 · Security Note
• https://github.com/nextcloud/android/pull/16896 · Note
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2w7v-5299-3hw5 · Note
• https://hackerone.com/reports/3625210 · Note
• https://t.me/CVEtracker/55505 · Telegram Post