Heymrun Heym up to 0.0.97 WebSocket Send/Trigger Nodes server-side request forgery

Summaryinfo

A vulnerability categorized as problematic has been discovered in Heymrun Heym up to 0.0.97. The impacted element is an unknown function of the component WebSocket Send/Trigger Nodes. The manipulation results in server-side request forgery. This vulnerability is cataloged as CVE-2026-84207. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Heymrun Heym up to 0.0.97. It has been classified as problematic. Affected is an unknown functionality of the component WebSocket Send/Trigger Nodes. The manipulation with an unknown input leads to a server-side request forgery vulnerability. CWE is classifying the issue as CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. This is going to have an impact on confidentiality. CVE summarizes:

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.

The advisory is available at github.com. This vulnerability is traded as CVE-2026-84207 since 09/01/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 0.0.98 eliminates this vulnerability.

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Productinfo

Vendor

• Heymrun

Name

• Heym

Version

• 0.0.1
• 0.0.2
• 0.0.3
• 0.0.4
• 0.0.5
• 0.0.6
• 0.0.7
• 0.0.8
• 0.0.9
• 0.0.10
• 0.0.11
• 0.0.12
• 0.0.13
• 0.0.14
• 0.0.15
• 0.0.16
• 0.0.17
• 0.0.18
• 0.0.19
• 0.0.20
• 0.0.21
• 0.0.22
• 0.0.23
• 0.0.24
• 0.0.25
• 0.0.26
• 0.0.27
• 0.0.28
• 0.0.29
• 0.0.30
• 0.0.31
• 0.0.32
• 0.0.33
• 0.0.34
• 0.0.35
• 0.0.36
• 0.0.37
• 0.0.38
• 0.0.39
• 0.0.40
• 0.0.41
• 0.0.42
• 0.0.43
• 0.0.44
• 0.0.45
• 0.0.46
• 0.0.47
• 0.0.48
• 0.0.49
• 0.0.50
• 0.0.51
• 0.0.52
• 0.0.53
• 0.0.54
• 0.0.55
• 0.0.56
• 0.0.57
• 0.0.58
• 0.0.59
• 0.0.60
• 0.0.61
• 0.0.62
• 0.0.63
• 0.0.64
• 0.0.65
• 0.0.66
• 0.0.67
• 0.0.68
• 0.0.69
• 0.0.70
• 0.0.71
• 0.0.72
• 0.0.73
• 0.0.74
• 0.0.75
• 0.0.76
• 0.0.77
• 0.0.78
• 0.0.79
• 0.0.80
• 0.0.81
• 0.0.82
• 0.0.83
• 0.0.84
• 0.0.85
• 0.0.86
• 0.0.87
• 0.0.88
• 0.0.89
• 0.0.90
• 0.0.91
• 0.0.92
• 0.0.93
• 0.0.94
• 0.0.95
• 0.0.96
• 0.0.97

CPE 2.3info

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CPE 2.2info

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