SecuriTricks - CVE-2026-45153

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.

Product(s) Impacted

Vendor	Product	Versions
Nextcloud	Nextcloud	33.0.0-33.1.0

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-287

Improper Authentication

When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	nextcloud	nextcloud	33.0.0-33.1.0	/	/	/	/	/	/	/

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

CVSS Score

4.6 / 10

CVSS Data - 3.1

Attack Vector: PHYSICAL
Attack Complexity: HIGH
Privileges Required: LOW
Scope: UNCHANGED
Confidentiality Impact: HIGH
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: June 1, 2026, 5:17 p.m.
Last Modified: June 1, 2026, 6:14 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-45153