CVE-2026-84473

CVE-2026-84473

Published Nov 6, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
Authentication Bypass / Missing Brute-Force Protection in remote.php/webdav/ in ownCloud ownCloud server 10.16.3 allows an unauthenticated remote attacker to perform unlimited online password guessing against WebDAV accounts via repeated HTTP Basic Authentication requests to the WebDAV endpoint.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-288
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
Weaknesses CWE-287
CWE-307
Type Values Removed Values Added
First Time appeared Kiteworks
Kiteworks owncloud
Vendors & Products Kiteworks
Kiteworks owncloud
Type Values Removed Values Added
Description Authentication Bypass / Missing Brute-Force Protection in remote.php/webdav/ in ownCloud ownCloud server 10.16.3 allows an unauthenticated remote attacker to perform unlimited online password guessing against WebDAV accounts via repeated HTTP Basic Authentication requests to the WebDAV endpoint.
Title CVE-2026-84473
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
certcc
Published
Updated
Nov 10, 2026, 6:24 PM
Reserved
Sep 1, 2026, 8:18 PM
Status
Awaiting Analysis
Published
Nov 6, 2026, 7:17 PM
Modified
Nov 12, 2026, 8:04 PM