CVE-2026-82986

Group-level link‑sharing bypass in Nextcloud Tables

Published Oct 27, 2026 CVSS 3.0 · 4.6 Medium EPSS < 1% KEV · Not listed
Description
The user in a group can bypass the group restriction set by an administrator on link sharing, creating share links for a table even though they shouldn't have that permission.

Remediation

Vendor Workaround

The user in a group can bypass the group restriction set by an administrator on link sharing, creating share links for a table even though they shouldn't have that permission.

Tracking

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Advisories

No advisories available
References
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Group-level link‑sharing bypass in Nextcloud Tables
Type Values Removed Values Added
First Time appeared Nextcloud
Nextcloud tables
Vendors & Products Nextcloud
Nextcloud tables
Type Values Removed Values Added
Description The user in a group can bypass the group restriction set by an administrator on link sharing, creating share links for a table even though they shouldn't have that permission.
Weaknesses CWE-284
References
Metrics cvssV3_0

{'score': 4.6, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
hackerone
Published
Updated
Nov 4, 2026, 5:47 PM
Reserved
Aug 31, 2026, 3:00 PM
Status
Awaiting Analysis
Published
Oct 27, 2026, 5:17 PM
Modified
Nov 4, 2026, 6:17 PM