Critical Grist-Core Vulnerability Allows RCE Attacks via Spreadsheet Formulas

A critical security flaw has been disclosed in Grist‑Core, an open-source, self-hosted version of the Grist relational spreadsheet-database, that could result in remote code execution. The vulnerability, tracked as CVE-2026-24002 CVSS score: 9.1, has been codenamed Cellbreak by Cyera Research Lab...

CVE-2026-24002

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

CVE-2026-24002

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

CVE-2026-24002 pyodide sandbox option is insecure

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

CVE-2026-24002

CVE-2026-24002 – Grist sandbox escape vulnerability affects Grist Core (Grist open-source self-hosted spreadsheet/database). The issue arises when running formulas in the Pyodide sandbox on Node.js, where the sandbox barrier is insufficient, allowing an untrusted spreadsheet to escape to host exe...

CVE-2026-24002 pyodide sandbox option is insecure

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

CVE-2026-24002

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

EUVD-2026-4212

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

CVE-2026-24002 pyodide sandbox option is insecure

Grist is spreadsheet software using Python as its formula language. Grist offers several methods for running those formulas in a sandbox, for cases where the user may be working with untrusted spreadsheets. One such method runs them in pyodide, but pyodide on node does not have a useful sandbox...

Grist injection vulnerability

Grist is a modern relational spreadsheet developed by Grist Open Source. Versions of Grist prior to 1.7.9 had an injection vulnerability, which was caused by insufficient pyodide sandbox barriers. This vulnerability could allow for the execution of arbitrary processes on the server...

PT-2026-3906

Name of the Vulnerable Software and Affected Versions Grist versions prior to 1.7.9 Description Grist is spreadsheet software that utilizes Python as its formula language. When configured to run formulas in the Pyodide sandbox GRIST SANDBOX FLAVOR set to pyodide, a crafted spreadsheet formula can...

CVE-2025-64752

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with access to any document on a Grist installation can use a feature for fetching from a URL that is executed on the server. The privileged network access of server-side requests could offer opportunities for attack...

CVE-2025-64753

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...

CVE-2025-64753

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...

CVE-2025-64752

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with access to any document on a Grist installation can use a feature for fetching from a URL that is executed on the server. The privileged network access of server-side requests could offer opportunities for attack...

CVE-2025-64753 grist-core has insufficient access control in endpoints for comparisons between documents and versions

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...

CVE-2025-64753

CVE-2025-64753 Summary : Grist-core versions prior to 1.7.7 expose the full version history and change details to users with partial read access via the /compare endpoint. Root cause: insufficient access control on document/version comparisons. Impact: disclosure of changes that may include data ...

CVE-2025-64753 grist-core has insufficient access control in endpoints for comparisons between documents and versions

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...

EUVD-2025-177187

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...

CVE-2025-64753 grist-core has insufficient access control in endpoints for comparisons between documents and versions

grist-core is a spreadsheet hosting server. Prior to version 1.7.7, a user with only partial read access to a document could still access endpoints listing hashes for versions of that document and receive a full list of changes between versions, even if those changes contained cells, columns, or...