CVE-2026-25521
CVE-2026-25521 · Locutus is vulnerable to Prototype Pollution
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Locutus brings stdlibs of other programming languages to JavaScript for educational purposes. In versions from 2.0.12 to before 2.0.39, a prototype pollution vulnerability exists in locutus. Despite a previous fix that attempted to mitigate prototype pollution by checking whether user input contained a forbidden key, it is still possible to pollute Object.prototype via a crafted input using String.prototype. This issue has been patched in version 2.0.39.
CVSS 9.4 · Критический · EPSS 0,3% · Есть исправление
- Опубликовано
- Обновлено
Стек: node
Затронутые продукты и версии
Первоисточники
- https://github.com/locutusjs/locutus/security/advisories/GHSA-rxrv-835q-v5mh
- https://github.com/locutusjs/locutus/commit/042af9ca7fde2ff599120783e720a17f335bb01c
- https://access.redhat.com/security/cve/CVE-2026-25521
- https://bugzilla.redhat.com/show_bug.cgi?id=2436950
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-25521.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-25521