CVE-2026-45267
Medium
Description
Nextcloud is an open source content collaboration platform. Prior to version 5.2.6, a missing permissions check allowed users to request reading form submissions of other users. This issue has been patched in version 5.2.6.
SeverityMedium
CVSS6.5
Exploit probability—
Product
Nextcloud Security-advisories
PublishedJun 1, 2026
First seenJun 1, 2026
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud security-advisories | < 5.2.6 | — |
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