What’s Vulnerable › Vulnerabilities

CVE-2026-111332: OxiCloud 0.9.1 through 0.9.3 Incorrect Authorization via Share Ring Cookie

• Severity: low (CVSS 3.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-15 · updated 2026-10-23
• Weakness: CWE-863

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.

Affected products

• AtalayaLabs OxiCloud: from 0.9.1 through 0.9.3

References

• https://github.com/AtalayaLabs/OxiCloud
• https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/application/services/share_service.rs#L497-L538
• https://github.com/AtalayaLabs/OxiCloud/blob/v0.9.3/src/infrastructure/services/share_ring.rs#L173-L195
• https://hackmd.io/@hieuPenguinnn/oxicloud-share-password-grant-not-revoked
• https://www.vulncheck.com/advisories/oxicloud-0.9.1-through-0.9.3-incorrect-authorization-via-share-ring-cookie
• https://hackmd.io/@hieuPenguinnn/oxicloud-share-password-grant-not-revoked

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