๐Ÿ” CVE Alert

CVE-2026-45153

MEDIUM 4.6

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
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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

References

NVD โ†— CVE.org โ†— EPSS Data โ†—
github.com: https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2w7v-5299-3hw5 github.com: https://github.com/nextcloud/android/pull/16896 hackerone.com: https://hackerone.com/reports/3625210