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Description

Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.12, and 32.0.0 to before 32.0.3, a missing check of a relation allowed authenticated users with access to any file comment, to read the content of all comments. It is recommended that the Nextcloud Server is upgraded to 31.0.12 or 32.0.3. It is recommended that the Nextcloud Enterprise Server is upgraded to 21.0.9.20, 22.2.10.35, 23.0.12.31, 24.0.12.30, 25.0.13.25, 26.0.13.22, 27.1.11.22, 28.0.14.13, 29.0.16.10, 30.0.17.5, 31.0.12 or 32.0.3

PUBLISHED Reserved 2026-05-13 | Published 2026-06-01 | Updated 2026-06-02 | Assigner GitHub_M




MEDIUM: 6.8CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N

Problem types

CWE-639: Authorization Bypass Through User-Controlled Key

Product status

>= 31.0.0, < 31.0.12
affected

>= 32.0.0, < 32.0.3
affected

References

github.com/...sories/security/advisories/GHSA-285v-p9x9-cjhj

github.com/nextcloud/server/pull/56982

hackerone.com/reports/3425534

cve.org (CVE-2026-45810)

nvd.nist.gov (CVE-2026-45810)

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