What is CVE-2026-100727?

CVE-2026-100727 is a medium-severity vulnerability in Growi, Inc. Growi, classified under Files or Directories Accessible to External Parties. CVSS score: 5.3/10. Published 2026-10-05.

How severe is CVE-2026-100727?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Growi, Inc. Growi

CVE-2026-100727

An improper access control vulnerability exists in GROWI, which allow an unauthenticated attacker to read files contained in non-public pages of the affected product when the file upload setting is configured as "Local".

Published 2026-10-05 · last modified 2026-10-05.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/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

Growi, Inc. Growi

Weakness classification (CWE)

CWE-552 — Files or Directories Accessible to External Parties

References

Frequently asked questions

What is CVE-2026-100727?: CVE-2026-100727 is a medium-severity vulnerability in Growi, Inc. Growi, classified under Files or Directories Accessible to External Parties. CVSS score: 5.3/10. Published 2026-10-05.
How severe is CVE-2026-100727?: Medium severity. CVSS v3 base score is 5.3 out of 10.