---
id: CVE-2026-111332
title: OxiCloud 0.9.1 through 0.9.3 Incorrect Authorization via Share Ring Cookie
summary: >-
  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…
severity: low
cvss: 3.7
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N'
cvssSource: cna
cwe:
  - CWE-863
vendor: AtalayaLabs
product: OxiCloud
affected:
  - OxiCloud >= 0.9.1 <= 0.9.3
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T21:43:35.166Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-111332'
references:
  - url: 'https://hackmd.io/@hieuPenguinnn/oxicloud-share-password-grant-not-revoked'
  - url: >-
      https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/application/services/share_service.rs#L497-L538
  - url: >-
      https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/infrastructure/services/share_ring.rs#L173-L195
  - url: 'https://github.com/AtalayaLabs/OxiCloud'
  - url: >-
      https://www.vulncheck.com/advisories/oxicloud-0.9.1-through-0.9.3-incorrect-authorization-via-share-ring-cookie
    label: >-
      VulnCheck Advisory: OxiCloud 0.9.1 through 0.9.3 Incorrect Authorization
      via Share Ring Cookie
tags:
  - cve.org
ingestedAt: '2026-10-15T22:48:25.453Z'
---

## Overview

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.

## Affected

- `OxiCloud >= 0.9.1 <= 0.9.3`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.