CVE-2026-45153
Nextcloud: PIN bypass in PassCodeActivity via back button
CVSS Score
4.6
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-287 |
| Vendor | nextcloud |
| Product | security-advisories |
| Published | Jun 1, 2026 |
| Last Updated | Jun 1, 2026 |
Stay Ahead of the Next One
Get instant alerts for nextcloud security-advisories
Be the first to know when new medium vulnerabilities affecting nextcloud security-advisories are published โ delivered to Slack, Telegram or Discord.
Get Free Alerts โ
Free ยท No credit card ยท 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N Attack Vector
Physical
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
None
Affected Versions
nextcloud / security-advisories
>= 33.0.0, < 33.1.0