Medium 4.6Published Jun 1, 2026

CVE-2026-45153Nextcloud: PIN bypass in PassCodeActivity via back button

Updated under an hour ago (Oct 26, 2026, 3:30 PM ET)

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It affects nextcloud security-advisories. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for nextcloud security-advisories

Exploited in the last 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.

CVSS: 4.6 MEDIUM (v3.1, CNA)CVSS:3.1/AV:P/AC:H/PR:L/UI:N/S:U/C:H/I:L/A:N
Weakness (CWE): CWE-287
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: Jun 1, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nextcloud security-advisories nextcloud:security_advisories (from the name)	from 33.0.0, < 33.1.0	CNA record

References

References

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

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.