Users can set up workflows using restricted and invisible system tags in Nextcloud
Priority LOW 39CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.
Summary
Nextcloud is a personal home server system. Depending on the set up tags and other workflows this issue can be used to limit access of others or being able to grant them access when there are system tag based files access control or files retention rules. It is recommended that the Nextcloud Server is upgraded to 24.0.11 or 25.0.5, the Nextcloud Enterprise Server to 21.0.9.11, 22.2.10.11, 23.0.12.6, 24.0.11 or 25.0.5, and the Nextcloud Files automated tagging app to 1.11.1, 1.12.1, 1.13.1, 1.14.2, 1.15.3 or 1.16.1. Users unable to upgrade should disable all workflow related apps. Users are advised to upgrade.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00627 50th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| nextcloud | security-advisories | Nextcloud Server: < 24.0.11; Nextcloud Server: >= 25.0.0, < 25.0.5; Nextcloud Files automated tagging: >= 1.11.0, < 1.11.1; Nextcloud Files automated tagging: >= 1.12.0, < 1.12.1; Nextcloud Files automated tagging: >= 1.13.0, < 1.13.1; Nextcloud Files automated tagging: >= 1.14.0, < 1.14.2; Nextcloud Files automated tagging: >= 1.15.0, < 1.15.3; Nextcloud Files automated tagging: >= 1.16.0, < 1.16.1 | — | No fix listed | CNA |
- security-advisories Vendornextcloud Affected Nextcloud Server: < 24.0.11; Nextcloud Server: >= 25.0.0, < 25.0.5; Nextcloud Files automated tagging: >= 1.11.0, < 1.11.1; Nextcloud Files automated tagging: >= 1.12.0, < 1.12.1; Nextcloud Files automated tagging: >= 1.13.0, < 1.13.1; Nextcloud Files automated tagging: >= 1.14.0, < 1.14.2; Nextcloud Files automated tagging: >= 1.15.0, < 1.15.3; Nextcloud Files automated tagging: >= 1.16.0, < 1.16.1 Fixed in — No fix listed CNA
CPE configurations NVD · 10
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:*:*:*:*:*:*:*:* | 1.14.0 to before 1.14.2; 1.15.0 to before 1.15.3 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.11.0:*:*:*:*:*:*:* | 1.11.0 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.12.0:*:*:*:*:*:*:* | 1.12.0 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.13.0:*:*:*:*:*:*:* | 1.13.0 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.16.0:*:*:*:*:*:*:* | 1.16.0 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 21.0.0 to before 21.0.9.11; 22.0.0 to before 22.2.10.11; 23.0.0 to before 23.0.12.6 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 24.0.0 to before 24.0.11 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 24.0.0 to before 24.0.11 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* | 25.0.0 to before 25.0.5 | Vulnerable | nextcloud |
| cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* | 25.0.0 to before 25.0.5 | Vulnerable | nextcloud |
- cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:*:*:*:*:*:*:*:* Versions 1.14.0 to before 1.14.2; 1.15.0 to before 1.15.3 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.11.0:*:*:*:*:*:*:* Versions 1.11.0 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.12.0:*:*:*:*:*:*:* Versions 1.12.0 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.13.0:*:*:*:*:*:*:* Versions 1.13.0 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_files_automated_tagging:1.16.0:*:*:*:*:*:*:* Versions 1.16.0 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 21.0.0 to before 21.0.9.11; 22.0.0 to before 22.2.10.11; 23.0.0 to before 23.0.12.6 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* Versions 24.0.0 to before 24.0.11 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 24.0.0 to before 24.0.11 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:-:*:*:* Versions 25.0.0 to before 25.0.5 Vulnerable ·nextcloud
- cpe:2.3:a:nextcloud:nextcloud_server:*:*:*:*:enterprise:*:*:* Versions 25.0.0 to before 25.0.5 Vulnerable ·nextcloud
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-30539
- 2026-10-30 EPSS moved to the 50th–90th percentile
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences