CVE-2017-16226
Sandbox Breakout / Arbitrary Code Execution in static-eval
The static-eval module is intended to evaluate statically-analyzable expressions. In affected versions, untrusted user input is able to access the global function constructor, effectively allowing arbitrary code execution.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
The static-eval module is intended to evaluate statically-analyzable expressions. In affected versions, untrusted user input is able to access the global function constructor, effectively allowing arbitrary code execution.
- Record
CVE-2017-16226- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
The static-eval module is intended to evaluate statically-analyzable expressions. In affected versions, untrusted user input is able to access the global function constructor, effectively allowing arbitrary code execution.
- Record
CVE-2017-16226- Weakness
- CWE-20
- Updated
- 2026-11-02
EUVDEUVD-2018-0370 No score
The static-eval module is intended to evaluate statically-analyzable expressions. In affected versions, untrusted user input is able to access the global function constructor, effectively allowing arbitrary code execution.
- Record
EUVD-2018-0370- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5mjw-6jrh-hvfq No score
Sandbox Breakout / Arbitrary Code Execution in static-eval
Affected versions of static-eval pass untrusted user input directly to the global function constructor, resulting in an arbitrary code execution vulnerability when user input is parsed via the package.
Proof of concept
var evaluate = require('static-eval');
var parse = require('esprima').parse;
var src = '(function(){console.log(process.pid)})()';
var ast = parse(src).body[0].expression;
var res = evaluate(ast, {});
// Will print the process id
Recommendation
Update to version 2.0.0 or later.
- Record
GHSA-5mjw-6jrh-hvfq- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV
The static-eval module is intended to evaluate statically-analyzable expressions. In affected versions, untrusted user input is able to access the global function constructor, effectively allowing arbitrary code execution.
- Record
CVE-2017-16226- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
OSVGHSA-5mjw-6jrh-hvfq No score
Sandbox Breakout / Arbitrary Code Execution in static-eval
Affected versions of static-eval pass untrusted user input directly to the global function constructor, resulting in an arbitrary code execution vulnerability when user input is parsed via the package.
Proof of concept
var evaluate = require('static-eval');
var parse = require('esprima').parse;
var src = '(function(){console.log(process.pid)})()';
var ast = parse(src).body[0].expression;
var res = evaluate(ast, {});
// Will print the process id
Recommendation
Update to version 2.0.0 or later.
- Record
GHSA-5mjw-6jrh-hvfq- Weakness
- CWE-20
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
static-evalnpm |
before 2.0.0 | 2.0.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16226 is a critical vulnerability (CVSS 9.8) in Static-eval Project Static-eval, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 3.54%, the 89th percentile. Fixed in static-eval 2.0.0.