CVE-2026-45153

4.6 mediumEPSS 0.2%

Medium (4.6). EPSS 0.2% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

4.6 medium

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

EPSS: 0.2% chance of exploitation in the next 30 days; higher than 4% of CVEs (scores of 2026-10-31)
CWE: CWE-287
Published: 2026-06-01
Modified: 2026-07-22
Record from: the NVD, synced 2026-10-19

References

https://github.com/nextcloud/android/pull/16896
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2w7v-5299-3hw5
https://hackerone.com/reports/3625210

Check your stack JSON