What’s Vulnerable › Vulnerabilities

CVE-2026-7223: BigSweetPotatoStudio HyperChat AI Proxy Middleware aiProxyMiddleware.mts fetch server-side request forgery

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-04-28 · updated 2026-07-24
• Weakness: CWE-918

Description

A vulnerability was identified in BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63. Affected by this issue is the function fetch of the file packages/core/src/http/aiProxyMiddleware.mts of the component AI Proxy Middleware. Such manipulation of the argument baseurl leads to server-side request forgery. The attack can be launched remotely. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected products

• BigSweetPotatoStudio HyperChat: 2.0.0-alpha.0, 2.0.0-alpha.1, 2.0.0-alpha.2, 2.0.0-alpha.3, 2.0.0-alpha.4, 2.0.0-alpha.5 (+58)

References

• https://github.com/BigSweetPotatoStudio/HyperChat/
• https://github.com/BigSweetPotatoStudio/HyperChat/issues/142
• https://vuldb.com/submit/802265
• https://vuldb.com/vuln/359823
• https://vuldb.com/vuln/359823/cti

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