BigSweetPotatoStudio HyperChat AI Proxy Middleware aiProxyMiddleware.mts fetch server-side request forgery
Priority HIGH 70CWE-918Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00278 20th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| 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; 2.0.0-alpha.6; 2.0.0-alpha.7; 2.0.0-alpha.8; 2.0.0-alpha.9; 2.0.0-alpha.10; 2.0.0-alpha.11; 2.0.0-alpha.12; 2.0.0-alpha.13; 2.0.0-alpha.14; 2.0.0-alpha.15; 2.0.0-alpha.16; 2.0.0-alpha.17; 2.0.0-alpha.18; 2.0.0-alpha.19; 2.0.0-alpha.20; 2.0.0-alpha.21; 2.0.0-alpha.22; 2.0.0-alpha.23; 2.0.0-alpha.24; 2.0.0-alpha.25; 2.0.0-alpha.26; 2.0.0-alpha.27; 2.0.0-alpha.28; 2.0.0-alpha.29; 2.0.0-alpha.30; 2.0.0-alpha.31; 2.0.0-alpha.32; 2.0.0-alpha.33; 2.0.0-alpha.34; 2.0.0-alpha.35; 2.0.0-alpha.36; 2.0.0-alpha.37; 2.0.0-alpha.38; 2.0.0-alpha.39; 2.0.0-alpha.40; 2.0.0-alpha.41; 2.0.0-alpha.42; 2.0.0-alpha.43; 2.0.0-alpha.44; 2.0.0-alpha.45; 2.0.0-alpha.46; 2.0.0-alpha.47; 2.0.0-alpha.48; 2.0.0-alpha.49; 2.0.0-alpha.50; 2.0.0-alpha.51; 2.0.0-alpha.52; 2.0.0-alpha.53; 2.0.0-alpha.54; 2.0.0-alpha.55; 2.0.0-alpha.56; 2.0.0-alpha.57; 2.0.0-alpha.58; 2.0.0-alpha.59; 2.0.0-alpha.60; 2.0.0-alpha.61; 2.0.0-alpha.62; 2.0.0-alpha.63 | — | No fix listed | CNA |
| — | @dadigua/hyperchat (npm) | up to 2.0.0-alpha.63 | — | No fix listed | GHSA-r2jq-4h3x-rfj6 |
- HyperChat VendorBigSweetPotatoStudio Affected 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; 2.0.0-alpha.6; 2.0.0-alpha.7; 2.0.0-alpha.8; 2.0.0-alpha.9; 2.0.0-alpha.10; 2.0.0-alpha.11; 2.0.0-alpha.12; 2.0.0-alpha.13; 2.0.0-alpha.14; 2.0.0-alpha.15; 2.0.0-alpha.16; 2.0.0-alpha.17; 2.0.0-alpha.18; 2.0.0-alpha.19; 2.0.0-alpha.20; 2.0.0-alpha.21; 2.0.0-alpha.22; 2.0.0-alpha.23; 2.0.0-alpha.24; 2.0.0-alpha.25; 2.0.0-alpha.26; 2.0.0-alpha.27; 2.0.0-alpha.28; 2.0.0-alpha.29; 2.0.0-alpha.30; 2.0.0-alpha.31; 2.0.0-alpha.32; 2.0.0-alpha.33; 2.0.0-alpha.34; 2.0.0-alpha.35; 2.0.0-alpha.36; 2.0.0-alpha.37; 2.0.0-alpha.38; 2.0.0-alpha.39; 2.0.0-alpha.40; 2.0.0-alpha.41; 2.0.0-alpha.42; 2.0.0-alpha.43; 2.0.0-alpha.44; 2.0.0-alpha.45; 2.0.0-alpha.46; 2.0.0-alpha.47; 2.0.0-alpha.48; 2.0.0-alpha.49; 2.0.0-alpha.50; 2.0.0-alpha.51; 2.0.0-alpha.52; 2.0.0-alpha.53; 2.0.0-alpha.54; 2.0.0-alpha.55; 2.0.0-alpha.56; 2.0.0-alpha.57; 2.0.0-alpha.58; 2.0.0-alpha.59; 2.0.0-alpha.60; 2.0.0-alpha.61; 2.0.0-alpha.62; 2.0.0-alpha.63 Fixed in — No fix listed CNA
- @dadigua/hyperchat (npm) Vendor— Affected up to 2.0.0-alpha.63 Fixed in — No fix listed GHSA-r2jq-4h3x-rfj6
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2026-7223
- 2026-10-03 Alias added: GHSA-r2jq-4h3x-rfj6
References
Sources
- CVE-2026-7223 · CVE Program
- CVE-2026-7223 · NVD
- FIRST EPSS
- GHSA-r2jq-4h3x-rfj6 · GitHub Advisory Database · CC BY 4.0
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