CVE-2026-118678n8n before 2.41.4 and 2.42.1 Prototype Pollution DoS via Workflow History Compaction

Açıklama

n8n before 2.41.4 and 2.42.x before 2.42.1 contains a prototype pollution vulnerability that allows low-privileged users to alter built-in object behaviour by saving workflows with specially named connection keys. Attackers can add keys such as __proto__ to workflow connections, which the periodic history compaction task processes, causing logins and writes to fail with server errors.

Veri: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Bilgiler kaynaktaki haliyle, İngilizce yayımlanır.

Etkilenen ürünler ve sürümler

Kaynaklar ve yamalar

• GitHub Security Advisory (GHSA-fvv4-gmv9-xqf5) vendor-advisory
• VulnCheck Advisory: n8n before 2.41.4 and 2.42.1 Prototype Pollution DoS via Workflow History Compaction third-party-advisory