CVE-2026-45279Nextcloud is an open source content collaboration platform.
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No exploitation reported and no EPSS estimate yet.
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Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 31.0.0 to before 31.0.14, and 32.0.0 to before 32.0.4, if {lang} is used in the template directory config value, non-admin users can in some cases copy arbitrary files (depending on unix permissions) into their own Nextcloud directory via a path traversal. It is recommended that the Nextcloud Server is upgraded to 32.0.4, 31.0.14. It is recommended that the Nextcloud Enterprise Server is upgraded to 32.0.4, 31.0.14, 30.0.17.7, 29.0.17.12, 28.0.14.15
- CVSS
- 6.5 MEDIUM (v3.1, NVD)CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weakness (CWE)
- CWE-22
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- Not given
- NVD analysis
- Analyzed
- Record last updated
- Jul 22, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
nextcloud nextcloud_server nextcloud:nextcloud_server | from 31.0.0 before 31.0.14; from 32.0.0 before 32.0.4; from 28.0.0 before 28.0.14.15; from 29.0.0 before 29.0.17.12; from 30.0.0 before 30.0.17.7; from 31.0.0 before 31.0.14; from 32.0.0 before 32.0.4 | NVD |
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-j33j-qph5-4wchmitigation, vendor-advisory
- https://github.com/nextcloud/server/pull/57414/filesissue-tracking, patch
- https://hackerone.com/reports/3468140permissions-required
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.