What’s Vulnerable › Vulnerabilities

CVE-2016-9468

• Severity: medium (CVSS 5.3 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-03-28 · updated 2026-06-17
• Weakness: CWE-451

Description

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 dav app. The exception message displayed on the DAV endpoints contained partially user-controllable input leading to a potential misrepresentation of information.

Affected products

• Nextcloud Server: before 9.0.54; from 10.0.0 through 10.0.1 — fixed in 9.0.54
• Owncloud: from 9.0.0 before 9.0.6; from 9.1.0 before 9.1.2 — fixed in 9.0.6, 9.1.2

How to fix

Upgrade to a fixed version: Nextcloud Server 9.0.54; Owncloud 9.0.6, 9.1.2. Check the vendor advisory for mitigations.

References

• https://github.com/nextcloud/server/commit/7350e13113c8ed484727a5c25331ec11d4d59f5f
• https://github.com/nextcloud/server/commit/a4cfb3ddc1f4cdb585e05c0e9b2f8e52a0e2ee3e
• https://github.com/owncloud/core/commit/96b8afe48570bc70088ccd8f897e9d71997d336e
• https://github.com/owncloud/core/commit/bcc6c39ad8c22a00323a114e9c1a0a834983fb35
• https://hackerone.com/reports/149798
• https://nextcloud.com/security/advisory/?id=nc-sa-2016-011
• https://owncloud.org/security/advisory/?id=oc-sa-2016-021
• https://github.com/nextcloud/server/commit/7350e13113c8ed484727a5c25331ec11d4d59f5f
• https://github.com/nextcloud/server/commit/a4cfb3ddc1f4cdb585e05c0e9b2f8e52a0e2ee3e
• https://github.com/owncloud/core/commit/96b8afe48570bc70088ccd8f897e9d71997d336e
• https://github.com/owncloud/core/commit/bcc6c39ad8c22a00323a114e9c1a0a834983fb35
• https://hackerone.com/reports/149798

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