What is CVE-2026-82986?

CVE-2026-82986 is a medium-severity vulnerability in Nextcloud Tables, classified under Improper Access Control. CVSS score: 4.6/10. Published 2026-10-27.

How severe is CVE-2026-82986?

Medium severity. CVSS v3 base score is 4.6 out of 10.

Vulnerability in Nextcloud Tables

CVE-2026-82986

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.

Published 2026-10-27.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Nextcloud Tables

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

hackerone.com/reports/3642236

Frequently asked questions

What is CVE-2026-82986?: CVE-2026-82986 is a medium-severity vulnerability in Nextcloud Tables, classified under Improper Access Control. CVSS score: 4.6/10. Published 2026-10-27.
How severe is CVE-2026-82986?: Medium severity. CVSS v3 base score is 4.6 out of 10.