CVE-2026-45153 | BDVDB-2026-337088 Detail

nextcloudsecurity-advisories

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.

Impact#

Per CVSS v3.1: confidentiality impact high, integrity impact low, availability impact none. Attack vector: physical.

Weaknesses#

CWE-287 Improper Authentication

References#

Exploit#

No public exploit known

History#

Version 12026-06-01Record published in the CVE List.

Published

Published: 2026-06-01
Last modified: 2026-06-01

Vendor information

Vendor: nextcloud
Product: security-advisories

All nextcloud vulnerabilities

Score

4.6 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 4.5.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Authentication Issues

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
>= 33.0.0, < 33.1.0
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.6 Medium

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

Metric breakdown
Attack Vector	Physical
Attack Complexity	High
Privileges Required	Low
User Interaction	None
Scope	Unchanged
Confidentiality	High
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).