CVE-2026-77173

MediumCVSS 4.3/10Last modified Nov 4, 2026

Description

A user could create a docx or odt file with a # in the filename with confidential information such as a credit card number and have it not be marked as confidential.

Metrics

CVSS 3.0 4.3/10CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-284

Affected software

Source: the vendor's advisory (CNA). NVD analysis pending.

Vendor	Product	Versions
Nextcloud	Files Confidential	>= 3.3.0, <= 5.0.0

References

https://hackerone.com/reports/3682163

Timeline

Published: Oct 27, 2026
Last modified: Nov 4, 2026
NVD status: Awaiting Analysis

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