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

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.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.

Show the exploits1

References tagged exploit1 reference

Timeline

  1. ID reserved

    By VulDB

  2. · 1 day later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-7223, by who scored it
Scored byCVSSScoreVector
VulDBCNA (assigner)4.0Medium6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
VulDBCNA (assigner)3.1High7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
VulDBCNA (assigner)3.0High7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
VulDBCNA (assigner)2.0High7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
NVDNVD · Deferred4.0Medium5.5CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.28% · top 79% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.9.

Affected products

  • BigSweetPotatoStudio · HyperChat

    • affected 2.0.0-alpha.0
    • affected 2.0.0-alpha.1
    • affected 2.0.0-alpha.2
    • affected 2.0.0-alpha.3
    • affected 2.0.0-alpha.4
    • affected 2.0.0-alpha.5
    • affected 2.0.0-alpha.6
    • affected 2.0.0-alpha.7
    • affected 2.0.0-alpha.8
    • affected 2.0.0-alpha.9
    • affected 2.0.0-alpha.10
    • affected 2.0.0-alpha.11
    • affected 2.0.0-alpha.12
    • affected 2.0.0-alpha.13
    • affected 2.0.0-alpha.14
    • affected 2.0.0-alpha.15
    • affected 2.0.0-alpha.16
    • affected 2.0.0-alpha.17
    • affected 2.0.0-alpha.18
    • affected 2.0.0-alpha.19
    • affected 2.0.0-alpha.20
    • affected 2.0.0-alpha.21
    • affected 2.0.0-alpha.22
    • affected 2.0.0-alpha.23
    • affected 2.0.0-alpha.24
    • affected 2.0.0-alpha.25
    • affected 2.0.0-alpha.26
    • affected 2.0.0-alpha.27
    • affected 2.0.0-alpha.28
    • affected 2.0.0-alpha.29
    • affected 2.0.0-alpha.30
    • affected 2.0.0-alpha.31
    • affected 2.0.0-alpha.32
    • affected 2.0.0-alpha.33
    • affected 2.0.0-alpha.34
    • affected 2.0.0-alpha.35
    • affected 2.0.0-alpha.36
    • affected 2.0.0-alpha.37
    • affected 2.0.0-alpha.38
    • affected 2.0.0-alpha.39
    • and 24 more

Affected packages

From reviewed advisories of the GitHub Advisory Database.

References

References5

Sources

The same CVE in the primary databases and aggregators, to check against.

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CVE-2026-7223 badge
[![CVE-2026-7223](https://cveledger.app/badge/CVE-2026-7223.svg)](https://cveledger.app/cve/CVE-2026-7223)

Record last updated .