CVE-2026-45267

Nextcloud is an open source content collaboration platform. Prior to version 5.2.6, a missing permissions check allowed users to request reading form submissions of other users. This issue has been patched in version 5.2.6.

CVSS v3 6.5 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/nextcloud/forms/pull/3269
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-r4gh-f8x6-m55f
https://hackerone.com/reports/3628817

Configurations

No configuration.

History

No history.

Information

Published : 2026-06-01 17:17

Updated : 2026-07-22 07:10

NVD link : CVE-2026-45267

Mitre link : CVE-2026-45267

CVE.ORG link : CVE-2026-45267

JSON object : View

Products Affected

No product.

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

CWE-862

Missing Authorization

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