Servers and applications
GHSA-3c3p-5959-3ghr
Unauthenticated Slack Token Exfiltration and Full-Response SSRF via the Slack Trigger Webhook
- Severity
- Medium 6.3
- Published
- 14 Oct 2026
- Last changed
- 14 Oct 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 1.123.83, 2.41.4, 2.42.1
- Sources
- Project advisories (GitHub)
Affected software
| Software | Affected versions |
|---|---|
n8nServers and applications · github:n8n-io/n8n |
|
References
- GitHub Advisory Database https://github.com/advisories/GHSA-3c3p-5959-3ghr
- github.com https://github.com/n8n-io/n8n/security/advisories/GHSA-3c3p-5959-3ghr