CVE-2026-77173

mediumpriority · track · 0DEFR
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
— EPSS
CVSS 4.3 · medium
Is it mine?
6 products
Check your exposure
Who says so?
2 sources
cert_bund · certfr

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.

01

cvss

Technical severity, 0–10. One row per scoring source.

4.3
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.04.3mediumCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · support@hackerone.comexploitability 2.8 · impact 1.4
02

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284US
03

affected products (6)

Products and version ranges known to be affected.

04

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-4185Nextcloud (Server, Tables, Whiteboard, Files Confidential, Collectives, Richdocuments): Mehrere SchwachstellenDeutsch2026-10-26csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Nextcloud ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Daten zu manipulieren oder offenzulegen sowie Denial-of-Service-Zustände auszulösen.

  • CERTFR-2026-AVI-1392Multiples vulnérabilités dans les produits NextcloudFrançais2026-10-27vendor · certfrFR
05

sources

Which sources assert this record, and when.

cert_bundcertfrNVDCVE.orgMITRE
published 2026-10-27modified 2026-10-27
06

references (1) nvd

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan