Vulnerability Details CVE-2026-45279
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
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 9.2%
CVSS Severity
CVSS v3 Score 4.4
References
Products affected by CVE-2026-45279
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14.4
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.14.6
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:28.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.15
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.16
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:29.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.14
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.15
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.16
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.17
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:30.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.10
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.11
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.12
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.13
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:31.0.9
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cpe:2.3:a:nextcloud:nextcloud_server:32.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:32.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:32.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:32.0.3