CVE-2025-58051: Nextcloud Tables app allowed to include local file via PhpSpreadsheet when importing a table

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-16 · updated 2026-10-09
Weakness: CWE-841

Description

Nextcloud Tables allows you to create your own tables with individual columns. Prior 0.7.6, 0.8.8, and 0.9.5, when importing a table, a user was able to specify files on the server and when their format is supported by the used PhpSpreadsheet library they would be included and their content leaked to the user. It is recommended that the Nextcloud Tables app is upgraded to 0.7.6, 0.8.8 or 0.9.5.

Affected products

nextcloud security-advisories: from 0.7.0, < 0.7.6; from 0.8.0, < 0.8.8; from 0.9.0, < 0.9.5

References

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wpp5-4w35-pxq6
https://github.com/nextcloud/tables/pull/1936
https://hackerone.com/reports/3249624

Get alerted when CVE-2025-58051 or the next vulnerability affects your stack