CVE-2026-45544: CWE-1230: Exposure of Sensitive Information Through Metadata in nextcloud security-advisories
Nextcloud versions from 0.8.0 up to but not including 1.0.4 have a vulnerability where view filter criteria in Nextcloud Tables are exposed to users with read-only permissions. This exposure of metadata could reveal sensitive information unintentionally. The issue has been addressed and patched in versions 1.0.4 and later.
AI Analysis
Technical Summary
CVE-2026-45544 is a medium-severity vulnerability in Nextcloud's security-advisories product affecting versions 0.8.0 through before 1.0.4. The vulnerability involves exposure of view filter criteria metadata to users who only have read-only permissions in Nextcloud Tables, potentially leaking sensitive information. The flaw is classified under CWE-1230 (Exposure of Sensitive Information Through Metadata). The vulnerability has been fixed in Nextcloud versions 1.0.4 and 2.0.0.
Potential Impact
The vulnerability allows users with read-only access to view filter criteria metadata that should not be exposed, leading to potential leakage of sensitive information. There is no indication of impact on integrity or availability. The CVSS v3.1 base score is 4.3 (medium), reflecting limited confidentiality impact and low attack complexity.
Mitigation Recommendations
Upgrade affected Nextcloud installations to version 1.0.4 or later, where this vulnerability has been patched. Since this is not a cloud service, manual patching by administrators is required. Patch status is confirmed by the version information in the advisory. No additional mitigation steps are indicated.
CVE-2026-45544: CWE-1230: Exposure of Sensitive Information Through Metadata in nextcloud security-advisories
Description
Nextcloud versions from 0.8.0 up to but not including 1.0.4 have a vulnerability where view filter criteria in Nextcloud Tables are exposed to users with read-only permissions. This exposure of metadata could reveal sensitive information unintentionally. The issue has been addressed and patched in versions 1.0.4 and later.
CVSS v3.1
Score 4.3medium
Affected software
pkg:github/nextcloud/tablesRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-45544 is a medium-severity vulnerability in Nextcloud's security-advisories product affecting versions 0.8.0 through before 1.0.4. The vulnerability involves exposure of view filter criteria metadata to users who only have read-only permissions in Nextcloud Tables, potentially leaking sensitive information. The flaw is classified under CWE-1230 (Exposure of Sensitive Information Through Metadata). The vulnerability has been fixed in Nextcloud versions 1.0.4 and 2.0.0.
Potential Impact
The vulnerability allows users with read-only access to view filter criteria metadata that should not be exposed, leading to potential leakage of sensitive information. There is no indication of impact on integrity or availability. The CVSS v3.1 base score is 4.3 (medium), reflecting limited confidentiality impact and low attack complexity.
Mitigation Recommendations
Upgrade affected Nextcloud installations to version 1.0.4 or later, where this vulnerability has been patched. Since this is not a cloud service, manual patching by administrators is required. Patch status is confirmed by the version information in the advisory. No additional mitigation steps are indicated.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2026-05-12T17:48:47.879Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a1de30be29bf47b503a56f9
Added to database: 06/01/2026, 19:52:43 UTC
Last enriched: 06/08/2026, 20:59:56 UTC
Last updated: 07/31/2026, 19:22:59 UTC
Views: 94
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