Read the docs

GROWI missing authorization check in collaborative editing

Priority LOW 36CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

GROWI, from v7.0.0 through v8.0.6, has a missing authorization check (CWE-862) in its collaborative editing feature. A user with read-only permission, including a guest user, or a user in pending, suspended, or invited status may modify page drafts. The source description does not say what the attacker must do beyond having one of these accounts, but the CVSS vector shows a remote attack over the network with no user interaction and low integrity impact.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Description from the CNA

GROWI contains a missing authorization check vulnerability in its collaborative editing feature. By exploiting this vulnerability, a user with read-only permission, including a guest user, or a user in pending, suspended, or invited status may modify page drafts.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00219 12th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
GROWI, Inc.GROWIv7.0.0 – v8.0.6—No fix listedCNA
  • GROWI VendorGROWI, Inc. Affected v7.0.0 – v8.0.6 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for GROWI.

Written with Claude Haiku 5.5 from the sources below · 2026-11-04

Timeline

  1. 2026-10-28 Threatist record created from CVE-2026-115624
  2. 2026-10-28 Alias added: GHSA-xq8c-mmcj-8f9f
  3. 2026-10-28 Priority changed: MEDIUM → LOW
  4. 2026-11-04 CISA SSVC decision points changed

References

  • TI-2026-55432 GROWI before 8.0.2 Missing Authorization on Attachment Retrieval for Unauthenticated Requests CVSS 4.0HIGH 8.7
  • TI-2026-29679 Regular expression denial of service in GROWI, Inc. GROWI CVSS 4.0HIGH 8.7
  • TI-2026-30347 Path traversal in GROWI, Inc. GROWI CVSS 4.0HIGH 8.6
  • TI-2026-20258 Missing authorization in GROWI, Inc. GROWI CVSS 4.0HIGH 8.7
  • TI-2026-67628 Improper access control in GROWI exposes files on non-public pages CVSS 4.0MEDIUM 6.9
  • TI-2026-48471 Incorrect authorization in GROWI, Inc. GROWI CVSS 4.0MEDIUM 6.9
See all 13 →

Sources