CVE-2026-109848: its tag update API · GROWI Contains an Authorization Bypass Vulnerability
Source GCVE Database
Not known to be exploited · CVSS 4.2 Medium.
Data as of 28 Oct 2026, 04:27 UTC
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 28 Oct 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| GROWI, Inc.GROWI | Affected
| Fixed in– |
GitHubgrowilabs/growipkg:github/growilabs/growiOther threats | Affected
| Fixed in– |
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Until a fix is available, restrict login access to trusted users and monitor for suspicious activity related to page and tag updates.
Description
GROWI has an authorization bypass vulnerability in its tag update and page update APIs. This flaw arises from improper use of a user-controlled key, allowing authenticated attackers to access page contents without proper read permissions and save them to pages they can edit.