SSRF in Bigsweetpotatostudio Hyperchat
CVE-2026-7223
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.
Vulnerability class: SSRF (Server-Side Request Forgery)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.005 (38.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.005 · change: +0.002
Affected products
- Bigsweetpotatostudio Hyperchat — versions 2.0.0-alpha.0, 2.0.0-alpha.1, 2.0.0-alpha.2
Weakness classification (CWE)
References
- vuldb.com/vuln/359823 (technical-description, vdb-entry)
- vuldb.com/vuln/359823/cti (signature, permissions-required)
- vuldb.com/submit/802265 (third-party-advisory)
- github.com/BigSweetPotatoStudio/HyperChat/issues/142 (issue-tracking, exploit)
- github.com/BigSweetPotatoStudio/HyperChat/ (product)
Frequently asked questions
- What is CVE-2026-7223?
- CVE-2026-7223 is a high-severity vulnerability in Bigsweetpotatostudio Hyperchat, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.3/10. Published 2026-04-28.
- How severe is CVE-2026-7223?
- High severity. CVSS v3 base score is 7.3 out of 10.