Nextcloud: Improper Access Control in Collectives_CVE-2026-45154

2.6 / 10

LOW

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

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.

Basic Information

ID CVE-2026-45154

Source GitHub_M

Published Jun 1, 2026 at 16:37

Affected Product

Vendor nextcloud

Product security-advisories

Version >= 2.6.0, < 4.3.0

Affected Versions nextcloud security-advisories >= 2.6.0, < 4.3.0

CWE Classification

CWE-284

References

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    "lastseen": "",
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    "published": "2026-06-01T16:37:41.710Z",
    "modified": "2026-06-01T16:37:41.710Z",
    "type": "cve",
    "title": "Nextcloud: Improper Access Control in Collectives",
    "source": "GitHub_M",
    "references": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-8mpv-ggq8-hf3w\nhttps://github.com/nextcloud/collectives/pull/2432\nhttps://hackerone.com/reports/3521434",
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    "cvss": {
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        "version": "3.1"
    },
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        "cvssV3": {
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