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Medium severity5.3NVD Advisory· Published Jun 1, 2026· Updated Jun 4, 2026

CVE-2026-45543

CVE-2026-45543

Description

Nextcloud is an open source content collaboration platform. From version 4.3.0 to before version 5.2.7, a removed collaborator retains unauthorized read access to uploaded respondent files for the affected form. The scope is limited to uploaded files for forms where that user previously had results access. This issue has been patched in version 5.2.7.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

3
  • Nextcloud/Formsreferences3 versions
    (expand)+ 2 more
    • (no CPE)
    • cpe:2.3:a:nextcloud:forms:*:*:*:*:*:*:*:*range: >=4.3.0,<5.2.7
    • (no CPE)range: 4.3.0 - 5.2.6

Patches

Vulnerability mechanics

References

3

News mentions

1