CVE-2026-109848

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 48/100
Published: 2026-10-28 Modified: 2026-10-28 First seen: 2026-10-29 Status: active

Attack Surface

Network No Interaction

CVSS Vector Breakdown

AV: Network
AC: High
PR: Low
UI: None
S: Unchanged
C: Low
I: Low
A: None

Description

GROWI contains an authorization bypass vulnerability in its tag update API and the page update API due to improper use of a user-controlled key. By exploiting this vulnerability, an attacker who can log in to the product may obtain the contents of pages without the required read permission and save them to pages that the attacker can edit.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
GROWI, Inc. GROWI v4.5.5

Bug Bounty Relevance

48 / 100
✓ Network accessible
✓ No user interaction

CVSS Score

4.2 / 10.0 v3.0
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.22%
Raw Score 0.002220
Percentile 12.8%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00222
2026-10-28
0.00222

Intelligence Sources

mitre ref →
nvd ref →