Security readout for executives and security teams
Plain-English summary
Self-managed Grist servers before 1.7.9 are at critical risk only if they use the pyodide sandbox option. A malicious spreadsheet document could cause code to run as arbitrary server processes, threatening confidentiality, integrity, and availability of the Grist host.
Executive priority
Treat as urgent for self-managed Grist environments using pyodide sandboxing. Prioritize version and configuration verification first; upgrade or switch to the documented gvisor workaround where exposure exists.
Technical view
CVE-2026-24002 affects gristlabs grist-core versions before 1.7.9 when GRIST_SANDBOX_FLAVOR is set to pyodide. The advisory states pyodide on node lacks a useful sandbox barrier. Opening a malicious document could allow arbitrary process execution on the Grist server. The fix runs pyodide under deno in 1.7.9+.
Likely exposure
Exposure is limited to self-managed Grist deployments running grist-core below 1.7.9 with GRIST_SANDBOX_FLAVOR=pyodide, especially where users may open untrusted spreadsheets.
Exploitation context
No public source provided here reports active exploitation, and the CVE is not marked KEV. Exploitation requires a malicious Grist document being opened in a vulnerable pyodide-sandboxed deployment, according to the advisory description.
Researcher notes
The public details identify the vulnerable condition and remediation, but do not provide exploitation indicators or reports of active abuse. Avoid assuming all Grist deployments are affected; the key exposure condition is pyodide sandbox configuration on versions before 1.7.9.
Mitigation direction
- Upgrade grist-core to version 1.7.9 or later.
- If immediate upgrade is not possible, set GRIST_SANDBOX_FLAVOR to gvisor as vendor-stated workaround.
- Review Grist self-managed sandbox guidance before changing production settings.
- Restrict opening of untrusted Grist documents until remediation is complete.
Validation and detection
- Inventory self-managed Grist instances and record grist-core versions.
- Check whether GRIST_SANDBOX_FLAVOR is set to pyodide.
- Confirm upgraded instances report version 1.7.9 or later.
- Verify sandbox configuration follows current Grist self-managed documentation.
- Review logs for suspicious activity around recently opened untrusted documents.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
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CWE-74: Exact CWE lookup
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Open ATT&CK lookupCVE-2026-24002 mapping review
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Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.1 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H2.26Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.1CriticalVector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://github.com/gristlabs/grist-core/security/advisories/GHSA-7xvx-8pf2-pv5gCVE reference · x_refsource_CONFIRM
- https://support.getgrist.com/self-managed/#how-do-i-sandbox-documentsCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')
Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.