Vulnerability Description
Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated users to access other users' folders because FolderService queries filter only on folder id. Attackers can supply another user's folder id to /folder/info, /folder/upd, /folder/open or /folder/del to read storage paths, rename, toggle visibility, or delete folders.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/blossom-editor/blossom
- https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/s
- https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/s
- https://github.com/blossom-editor/blossom/issues/213
- https://hackmd.io/@hieuPenguinnn/blossom-folder-idor-cross-user-modify-delete
- https://www.vulncheck.com/advisories/blossom-through-1.17.1-authorization-bypass
FAQ
What is CVE-2026-119659?
CVE-2026-119659 is a vulnerability with a CVSS score of 5.4 (MEDIUM). Blossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated users to access other users' folders because FolderService queries filter only on folder id. Attackers c...
How severe is CVE-2026-119659?
CVE-2026-119659 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-119659?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.