CVE-2026-45153

4.6 MEDIUM 0.2% exploit odds Fix listed Auth & access OS & kernel

What it is

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.

At a glance

Exploitability: Can be exploited with physical access with a low-privilege account. High risk of data exposure.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2026-06-01 17:17 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-07-22 07:10 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-01 17:17 UTC
Last modified: 2026-07-22 07:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Deferred

Attack profile CVSS 3.1 · 4.6

Attack vector: Physical
Complexity: High
Privileges needed: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Raw vector

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

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Fix and advisories

References

NVD record · CVE.org record