Medium severity6.5NVD Advisory· Published Sep 8, 2026· Updated Sep 14, 2026
CVE-2026-86077
CVE-2026-86077
Description
n8n is an open source workflow automation platform. Prior to 2.37.7 and 2.38.2, the /chat WebSocket route accepted a resumeToken and resumed a paused execution without checking that the target node supported chat messages. An anonymous form submitter who received that token could reuse it on the chat route to release a Send-and-Wait, non-chat HITL, or Wait approval gate. The affected authorization logic is packages/cli/src/chat/chat-execution-manager.ts, where canResumeOverChat did not gate the resume target. This issue is fixed in versions 2.37.7 and 2.38.2.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
n8nnpm | >= 2.38.0, < 2.38.2 | 2.38.2 |
n8nnpm | < 2.37.7 | 2.37.7 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-35jj-42hp-8gmqghsaADVISORY
- github.com/n8n-io/n8n/security/advisories/GHSA-35jj-42hp-8gmqnvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-86077ghsaADVISORY
- github.com/n8n-io/n8n/releases/tag/[email protected]nvdRelease NotesWEB
- github.com/n8n-io/n8n/releases/tag/[email protected]nvdRelease NotesWEB
News mentions
1- N8n Io: 17 Vulnerabilities Disclosed Together Impacting Workflow Automation PlatformVypr Intelligence · Sep 8, 2026