CVE-2026-45544 PUBLISHED

Nextcloud: Information Disclosure of view filter metdata via Broken Sensitive Data Masking in ViewService

Assigner: GitHub_M
Reserved: 12.05.2026 Published: 01.06.2026 Updated: 01.06.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CVSS Score: 4.3

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	Low
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	nextcloud
Product	security-advisories
Versions	Version >= 0.8.0, < 1.0.4 is affected

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-vvxm-6jjp-m9mp
https://github.com/nextcloud/tables/pull/2312
https://hackerone.com/reports/3483753

Problem Types

CWE-1230: Exposure of Sensitive Information Through Metadata CWE