Improper access control in Nextcloud Server & ownCloud Server Nextcloud Server before…
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Spoofing, Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-451 and CWE-284.
Summary
Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from content spoofing in the files app. The location bar in the files app was not verifying the passed parameters. An attacker could craft an invalid link to a fake directory structure and use this to display an attacker-controlled error message to the user.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 | Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 | — | No fix listed | CNA |
- Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 Vendor— Affected Nextcloud Server & ownCloud Server Nextcloud Server before 9.0.54 and 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2016-9467
- 2026-10-03 Alias added: GHSA-5vmj-qqqc-grm3
References
Exploit 1
Patch 10
- https://github.com/nextcloud/server/commit/5dd211cc8845fd4533966bf8d7a7f2a6359ea013
- https://github.com/nextcloud/server/commit/ed0f0db5fa0aff04594cb0f973ae4c22b17a175a
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-010
- https://github.com/nextcloud/server/commit/df50e967dbd27b13875625b7dd3189294619b071
- https://github.com/owncloud/core/commit/768221fcf3c526c65d85f62b0efa2da5ea00bf2d
- https://github.com/owncloud/core/commit/e7acbce27fa0ef1c6fe216ca67c72d86484919a4
- https://github.com/nextcloud/server/commit/c3ae21fef2880c9fe44e8fdbe1262ac7f9716f14
- https://github.com/nextcloud/server/commit/1352365e8bf5ea49da3dc82b1ccf7ddb659ae960
- https://github.com/nextcloud/server/commit/778ae8abd54c378fc4781394bbedc7a2ee3095e1
- https://owncloud.org/security/advisory/?id=oc-sa-2016-020
Sources
- CVE-2016-9467 · CVE Program
- CVE-2016-9467 · NVD
- FIRST EPSS
- GHSA-5vmj-qqqc-grm3 · GitHub Advisory Database · CC BY 4.0
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