CVE-2025-13465
Publiée le 2026-01-21 · Dernière modification le 2026-10-15
Les applications utilisant les versions 4.0.0 à 4.17.22 de Lodash sont sensibles à la pollution de prototype via les fonctions `_.unset` et `_.omit`. Un attaquant distant non authentifié peut envoyer des entrées spécialement conçues pour supprimer des méthodes du prototype global, ce qui peut provoquer le plantage de l'application ou désactiver des contrôles de sécurité, entraînant ainsi un déni de service. Cette exploitation est relativement facile à exécuter car elle ne nécessite aucun privilège particulier ni interaction de l'utilisateur, au-delà de l'envoi d'une requête réseau.
DÉTAIL DU VECTEUR CVSS
RÉFÉRENCES
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Description officielle du NVD (en anglais)
The _.unset and _.omit functions in Lodash are vulnerable to prototype pollution. An attacker can pass crafted paths which cause Lodash to delete methods from global prototypes. The issue permits deletion of properties but does not allow overwriting their original behavior. The issue is patched from 4.17.23 to 4.18.0 depending on the package: lodash, lodash-es, and lodash-amd in 4.17.23, and the standalone lodash.unset and lodash.omit packages in 4.18.0.