CVE-2026-45544 Nextcloud: Information Disclosure of view filter metdata via Broken Sensitive Data Masking in ViewService
Attackers with read-only access can view sensitive filter metadata in Nextcloud Tables, exposing configuration details.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-45544?
CVE-2026-45544 is a medium-severity vulnerability in nextcloud security-advisories, published on 1 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Nextcloud is an open source content collaboration platform. From version 0.8.0 to before version 1.0.4, the view filter criteria is exposed to users with read-only permissions in Nextcloud Tables. This issue has been patched in versions 1.0.4 and 2.0.0.
Weakness: CWE-1230
Which versions are affected by CVE-2026-45544?
It affects 1 product.
Products include Nextcloud Tables.
How do I fix CVE-2026-45544?
No fix has been published for CVE-2026-45544 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-45544 being exploited?
There is no known exploitation of CVE-2026-45544 in the wild and no public exploit code.
Other vulnerabilities in nextcloud security-advisories
- CVE-2026-45545 Nextcloud: SQL Injection in Column Type Parameter Allows Arbitrary SQL Execution
- CVE-2026-45722 Nextcloud: Tables app allows limited SQLi in ORDER BY with malicious sort order argument for Table Views
- CVE-2025-66551 Nextcloud Tables is missing an ownership check which allows moving columns into tables of other users
- CVE-2024-52511 Nextcloud Tables has an Authorization Bypass Through User-Controlled Key in Tables
- CVE-2025-66513 Nextcloud Tables app share information not limited to relevant users
Sources
Also known as GHSA-vvxm-6jjp-m9mp.