CVE-2026-111332

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.

CVSS 4.0

6.3CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

3.7CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

EPSS

0.3% chance of exploitation in the next 30 days; higher than 28% of CVEs (scores of 2026-10-25)

CWE

CWE-863

Published

2026-10-15

Modified

2026-10-23

Record from

the NVD, synced 2026-10-24

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

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