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CVE-2026-45154 Details

ANALYZED

This CVE record has been analyzed and enriched by NVDAPI.com as an independent party.

Description

Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted pages directly from the trashbin. This issue has been patched in version 4.3.0.

Metrics

CVSS 3.x Severity and Vector Strings:

VolerionCVSS-B:3.1 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CNA: [email protected]CVSS-B:2.6 LOWVector:CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/nextcloud/collectives/pull/2432	[email protected]	Issue TrackingSource CodeVendor
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8mpv-ggq8-hf3w	[email protected]	AdvisoryRemedyVendor
https://hackerone.com/reports/3521434	[email protected]	Issue TrackingTechnical Description

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-284	Improper Access Control	[email protected]

Affected Products

Product	Versions
Nextcloud Collectives	>= 2.6.0 (semver) >= 3.5.0 (semver)
CPE cpe:2.3:a:nextcloud:nextcloud:::::::: Remediation Upgrade: 4.3.0moderate effort

Change History

4 change records found show changes

Date	Action	Recorded By
Jul 22, 2026	CVE Translated	[email protected]
Jun 17, 2026	CVE Modified	[email protected]
Jun 17, 2026	CVE Modified	CISA-ADP
Jun 1, 2026	New CVE Received	[email protected]