🛡️ CVE-2023-26482
🔴 CVSS 9.0 — Critical ✅ No Known Exploit CWE-78 NVD
9.0
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

Nextcloud server is an open source home cloud implementation. In affected versions a missing scope validation allowed users to create workflows which are designed to be only available for administrators. Some workflows are designed to be RCE by invoking defined scripts, in order to generate PDFs, invoking webhooks or running scripts on the server. Due to this combination depending on the available apps the issue can result in a RCE at the end. It is recommended that the Nextcloud Server is upgraded to 24.0.10 or 25.0.4. Users unable to upgrade should disable app `workflow_scripts` and `workflow_pdf_converter` as a mitigation.

Details

Severity CRITICAL
CVSS Score 9.0
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
CWE CWE-78
Public Exploit ✅ No
Source NVD
Published 2023-03-30
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
nextcloud-server 25.0.0 25.0.4

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