CVE-2026-84207
Last modified
CVE-2026-84207 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
Heym before 0.0.98 fails to apply SSRF egress guards to WebSocket Send and WebSocket Trigger nodes, allowing authenticated users to connect to internal services. Attackers can craft workflow nodes with arbitrary URLs and headers to reach internal services and read responses from the WebSocket Trigger node.
Metrics
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| heymrun | heym | < 0.0.98 |
References
Timeline
- Published
- Last Modified
- Status
- Deferred
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