Curated security research, vulnerabilities, advisories and tools for practitioners.

← Back | CVE Intelligence Hub

CVE-2026-21858

Curated 1 security research writeups, vulnerability advisories and exploitation analyses for CVE-2026-21858.

Coverage Span: 2026-01-08
Reports: 1 related reports

Associated Reports & Timeline

The Ni8mare Test: n8n RCE Under the Microscope (CVE-2026-21858)

horizon3.ai | vulnerability | 2026-01-08 17:45 | Original ↗ | .md | #rce | #vulnerability-research

A practical analysis of the Ni8mare n8n vulnerability (CVE-2026-21858), examining real-world exploitability, prerequisites, and why the actual risk is lower than initial reports suggested.