Nextcloud: PIN bypass in PassCodeActivity via back button_CVE-2026-45153

4.6 / 10

MEDIUM

CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N

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.

Basic Information

ID CVE-2026-45153

Source GitHub_M

Published Jun 1, 2026 at 16:37

Affected Product

Vendor nextcloud

Product security-advisories

Version >= 33.0.0, < 33.1.0

Affected Versions nextcloud security-advisories >= 33.0.0, < 33.1.0

CWE Classification

CWE-287

References

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    "published": "2026-06-01T16:37:12.319Z",
    "modified": "2026-06-01T16:37:12.319Z",
    "type": "cve",
    "title": "Nextcloud: PIN bypass in PassCodeActivity via back button",
    "source": "GitHub_M",
    "references": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2w7v-5299-3hw5\nhttps://github.com/nextcloud/android/pull/16896\nhttps://hackerone.com/reports/3625210",
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