Medium 6.8Published Jun 1, 2026

CVE-2026-45810Nextcloud is an open source content collaboration platform.

Updated under an hour ago (2026-10-19 06:20 UTC)

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It affects nextcloud_server. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for nextcloud_server

Exploited in the last 30 days

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

CVSS: 6.8 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Weakness (CWE): CWE-639
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Analyzed
Record last updated: Jul 22, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

nextcloud nextcloud_server nextcloud:nextcloud_server	from 31.0.0 before 31.0.12; from 32.0.0 before 32.0.3; from 21.0.0 before 21.0.9.20; from 22.0.0 before 22.2.10.35; from 23.0.0 before 23.0.12.31; from 24.0.0 before 24.0.12.30; from 25.0.0 before 25.0.13.25; from 26.0.0 before 26.0.13.22; and 6 more ranges	NVD

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-285v-p9x9-cjhjvendor-advisory
https://github.com/nextcloud/server/pull/56982issue-tracking, patch
https://hackerone.com/reports/3425534permissions-required

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.