GHSA-54qm-37qr-w5wq
Sandbox Breakout / Arbitrary Code Execution in veval
GHSA-54qm-37qr-w5wq is a vulnerability with no CVSS score yet in veval, published September 4, 2020. No source lists public exploit code. No source names a fixed version.
- Severity
- UnratedNo CVSS score yet
- Exploit chance
- UnscoredNo EPSS score yet
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
All versions of veval are vulnerable to Sandbox Escape leading to Remote Code Execution. The package fails to restrict access to the main context through this.constructor.constructor . This may allow attackers to execute arbitrary code in the system. Evaluating the payload this.constructor.constructor('return process.env')() prints the contents of process.env.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
Affected packages
| Package | Affected | Fixed |
|---|---|---|
vevalnpm | 0.0.0 and later | None known |
What each source reports
GitHub AdvisoriesNo score
Sandbox Breakout / Arbitrary Code Execution in veval
All versions of veval are vulnerable to Sandbox Escape leading to Remote Code Execution. The package fails to restrict access to the main context through this.constructor.constructor . This may allow attackers to execute arbitrary code in the system. Evaluating the payload this.constructor.constructor('return process.env')() prints the contents of process.env.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
- Record
GHSA-54qm-37qr-w5wq- Updated
- 2026-11-02
OSVNo score
Sandbox Breakout / Arbitrary Code Execution in veval
All versions of veval are vulnerable to Sandbox Escape leading to Remote Code Execution. The package fails to restrict access to the main context through this.constructor.constructor . This may allow attackers to execute arbitrary code in the system. Evaluating the payload this.constructor.constructor('return process.env')() prints the contents of process.env.
Recommendation
No fix is currently available. Consider using an alternative package until a fix is made available.
- Record
GHSA-54qm-37qr-w5wq- Updated
- 2026-11-02
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | GitHub Advisories, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.