Auth bypass in Hdinnovations Unit3d
CVE-2026-119596
UNIT3D through 9.2.0 contains a missing authorization vulnerability in PlaylistZipController::show that allows authenticated users to download other members' private playlists. Attackers can enumerate sequential playlist ids at the /playlist-zips/{playlist} endpoint to obtain zips of all torrents, disclosing private collection membership.
Vulnerability class: IDOR (Insecure Direct Object Reference)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- github.com/HDInnovations/UNIT3D/pull/5622 (issue-tracking, patch)
- github.com/HDInnovations/UNIT3D/commit/addc2829cefa2d4aad6511bc71311fa5887b9998 (patch)
- github.com/HDInnovations/UNIT3D/issues/5621 (issue-tracking)
- github.com/HDInnovations/UNIT3D/blob/v9.2.0/app/Http/Controllers/PlaylistZipCon… (technical-description)
- hackmd.io/@hieuPenguinnn/unit3d-playlist-zip-private-idor (third-party-advisory)
- github.com/HDInnovations/UNIT3D (product)
- www.vulncheck.com/advisories/unit3d-through-9.2.0-private-playlist-disclosure-v… (third-party-advisory)
Frequently asked questions
- What is CVE-2026-119596?
- CVE-2026-119596 is a medium-severity vulnerability in Hdinnovations Unit3d, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2026-10-30.
- How severe is CVE-2026-119596?
- Medium severity. CVSS v3 base score is 4.3 out of 10.