CVE-2026-111332
OxiCloud 0.9.1 through 0.9.3 Incorrect Authorization via Share Ring Cookie
- State
- Published
- Severity
- 6.3 Medium
- Published
- Oct 15, 2026
- Updated
- Oct 23, 2026
- Reserved
- Oct 15, 2026
Description
OxiCloud 0.9.1 through 0.9.3 contains an incorrect authorization vulnerability that allows anonymous visitors to keep share access after password protection is added. Attackers holding an existing oxi_shares share-ring cookie can request content via GET /api/files/{id} to read shared files or folder contents despite the new password.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.3 Medium | CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 3.7 Low | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N | VulnCheck |
Weaknesses
- CWE-863 Incorrect Authorization
Affected Products
| Product | Versions |
|---|---|
OxiCloudAtalayaLabs |
|
References
- https://hackmd.io/@hieuPenguinnn/oxicloud-share-password-grant-not-revokedthird-party-advisory
- https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/application/services/share_service.rs#L497-L538technical-description
- https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/infrastructure/services/share_ring.rs#L173-L195technical-description
- https://github.com/AtalayaLabs/OxiCloudproduct
- VulnCheck Advisory: OxiCloud 0.9.1 through 0.9.3 Incorrect Authorization via Share Ring Cookiethird-party-advisory
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