CVE-2026-53620: Authorization bypass through user-controlled key in GROWI, Inc. GROWI
Description
GROWI contains an authorization bypass vulnerability in its bookmark folder APIs that allows an authenticated attacker to access and manipulate other users' bookmark data. This vulnerability can lead to unauthorized retrieval, modification, or deletion of bookmark information. The issue affects the GROWI product, but no specific affected versions or patches have been identified yet. The vulnerability has a medium severity rating with a CVSS score of 6.3.
CVSS v3.0
Score 6.3medium
Affected software
GROWI, Inc.
GROWI
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-53620 is an authorization bypass vulnerability in GROWI's bookmark folder APIs. An authenticated attacker can exploit a user-controlled key to bypass authorization controls, enabling them to retrieve, tamper with, or delete bookmark data belonging to other users. The vulnerability is confirmed as published but lacks detailed vendor remediation information or affected version specifics.
Potential Impact
An authenticated attacker exploiting this vulnerability can access and manipulate bookmark data of other users, potentially leading to data confidentiality, integrity, and availability issues within the GROWI application. The impact is limited to bookmark data but includes unauthorized data disclosure, modification, and deletion.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no official fix or workaround is provided, users should monitor vendor communications for updates and apply patches once available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- jpcert
- Date Reserved
- 2026-06-18T05:42:14.173Z
- Cvss Version
- 3.0
- State
- PUBLISHED
Threat ID: 6a9524c3acd9273b49b1e9cc
Added to database: 08/31/2026, 06:52:51 UTC
Last enriched: 09/07/2026, 15:44:37 UTC
Last updated: 10/13/2026, 18:48:21 UTC
Views: 76
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