CVE-2026-33994: Js Prototype Pollution Regex Test Guard
Using `RegExp.prototype.test` against a regex containing `__proto__`, `constructor`, or `prototype` as a prototype-pollution guard is bypassable. `RegExp.prototype.test` is a writable prototype method; an attacker that can override it (via another gadget in the same realm) can force the guard to return `false` and re-enable `Object.prototype` pollution throu
JSgreprules fetch cve-2026-33994-js-prototype-pollution-regex-test-guard --engine opengrepDescription
Using `RegExp.prototype.test` against a regex containing `__proto__`, `constructor`, or `prototype` as a prototype-pollution guard is bypassable. `RegExp.prototype.test` is a writable prototype method; an attacker that can override it (via another gadget in the same realm) can force the guard to return `false` and re-enable `Object.prototype` pollution throu
Community feedback
0 rule-level signals from signed-in users.
- Useful reports
- 0
- Context false positives
- 0
- Metadata suggestions
- 0
Contextual precision
Aggregated from approved scan feedback. False-positive reports describe observed scan contexts, not a global rule verdict.
- Findings observed
- 0
- Projects
- 0
- Reporters
- 0
Precision details are collecting more signed-in reports before verdict counts or ratios are emphasized.
No approved finding verdicts yet.
No scan diagnostics reported yet.