CVE-2026-119659 Blossom through 1.17.1 Authorization Bypass via Folder Endpoints
Medium 5.3
Published
Updated
Check this codebase for CVE-2026-119659 and fix it if it is affected.
What it is: CVE-2026-119659 is a medium-severity vulnerability in blossom-editor Blossom, published on 30 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-119659 in the wild and no public exploit code.
Affected product: blossom-editor Blossom. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2026-119659/ (Markdown: https://insights.sbomify.com/CVE-2026-119659/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-119659?
CVE-2026-119659 is a medium-severity vulnerability in blossom-editor Blossom, published on 30 Oct 2026.
Official 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.
Weakness: CWE-639
Which versions are affected by CVE-2026-119659?
How do I fix CVE-2026-119659?
No fix has been published for CVE-2026-119659 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-119659 being exploited?
There is no known exploitation of CVE-2026-119659 in the wild and no public exploit code.
Sources
Also known as GHSA-g885-v5xm-xh6q.