CVE-2026-45154

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.

PUBLISHED Reserved 2026-05-08 | Published 2026-06-01 | Updated 2026-06-01 | Assigner GitHub_M

Problem types

CWE-284: Improper Access Control

Product status

References

github.com/...sories/security/advisories/GHSA-8mpv-ggq8-hf3w

github.com/nextcloud/collectives/pull/2432

hackerone.com/reports/3521434

cve.org (CVE-2026-45154)

nvd.nist.gov (CVE-2026-45154)

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