What happened
Unauthenticated RCE in n8n via file read and expression injection sandbox bypass.
Affected versions
Unknown product: See original advisory Fixed: See vendor advisory.
Why it matters
This source correlation may provide earlier visibility while structured CVE metadata is still being updated.
Detection & mitigation
- Review the original advisory and validate affected versions.
- Apply vendor-provided updates or mitigations when available.
Public PoC references
RepositoryAuthorFirst seenReference
SploitusUse-After-Free and race condition in Windows Push Notifications (WpnService) with PoC research.SyntaxMethod2026-09-11T20:00:48VerifiedSploitusUnauthenticated RCE in n8n via file read and expression injection sandbox bypass.ZeroDayEvil2026-09-12T00:10:10VerifiedZeroDayEvil/CVE-2026-21858-n8n-FullChainUnauthenticated RCE in n8n via file read and expression injection sandbox bypass.ZeroDayEvil2026-09-12T00:10:10VerifiedSploitusAD CS Certighost: CA issues DC cert via spoofed identity enabling full domain compromise.ZeroDayEvil2026-09-11T23:13:58VerifiedZeroDayEvil/CVE-2026-54121-CertighostAD CS Certighost: CA issues DC cert via spoofed identity enabling full domain compromise.ZeroDayEvil2026-09-11T23:13:58VerifiedSyntaxMethod/CVE-2026-42978-PoC-ResearchUse-After-Free and race condition in Windows Push Notifications (WpnService) with PoC research.SyntaxMethod2026-09-11T20:00:48CandidateSploitusExploit for CVE-2026-42978. CVSS 7.8.Sploitus index2026-09-12T15:06:58+00:00Candidatekitploit.comLocal privilege escalation via use-after-free in Windows Push Notifications service (WpnService).zh2026-09-05T15:44:03CandidateSource timeline
Discovered through SploitusView source ↗
Record history
Record created from the first normalized source observation.
Metadata and source references refreshed.