CVE-2026-119659
mediumBlossom through 1.17.1 contains an authorization bypass vulnerability that allows authenticated users to access other users' folders because FolderService quer…
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:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/blossom-editor/blossom disclosure@vulncheck.com
- https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/ja... disclosure@vulncheck.com
- https://github.com/blossom-editor/blossom/blob/v1.17.1/blossom-backend/backend/src/main/re... disclosure@vulncheck.com
- https://github.com/blossom-editor/blossom/issues/213 disclosure@vulncheck.com
- https://hackmd.io/@hieuPenguinnn/blossom-folder-idor-cross-user-modify-delete disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/blossom-through-1.17.1-authorization-bypass-via-folde... disclosure@vulncheck.com
