CVE-2026-7223 | BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63 AI Proxy Middleware aiProxyMiddleware.mts fetch baseurl server-side request forgery (Issue 142)

VDB-359823 · SUBMIT #802265 · CVE-2026-7223 BIGSWEETPOTATOSTUDIO HYPERCHAT UP TO 2.0.0-ALPHA.63 AI PROXY MIDDLEWARE AIPROXYMIDDLEWARE.MTS FETCH BASEURL SERVER-SIDE REQUEST FORGERY HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability identified as critical has been detected in BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63. This affects the function fetch of the file packages/core/src/http/aiProxyMiddleware.mts of the component AI Proxy Middleware. Performing a manipulation of the argument baseurl results in server-side request forgery. This vulnerability was named CVE-2026-7223. The attack may be initiated remotely. In addition, an exploit is available. The project was informed of the problem early through an issue report but has not responded yet. Detailsinfo A vulnerability, which was classified as critical, was found in BigSweetPotatoStudio HyperChat up to 2.0.0-alpha.63. This affects the function fetch of the file packages/core/src/http/aiProxyMiddleware.mts of the component AI Proxy Middleware. The manipulation of the argument baseurl 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, integrity, and availability. It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-7223. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known. The exploit is shared for download at github.com. It is declared as proof-of-concept. The project was informed of the problem early through an issue report but has not responded yet. There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Productinfo Type Chat Software Vendor BigSweetPotatoStudio Name HyperChat Version 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 Website Product: https://github.com/BigSweetPotatoStudio/HyperChat/ CPE 2.3info 🔒 🔒 🔒 CPE 2.2info 🔒 🔒 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 7.3 VulDB Meta Temp Score: 6.6 VulDB Base Score: 7.3 VulDB Temp Score: 6.6 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Server-side request forgery CWE: CWE-918 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Access: Public Status: Proof-of-Concept Download: 🔒 Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: no mitigation known Status: 🔍 0-Day Time: 🔒 Timelineinfo 04/27/2026 Advisory disclosed 04/27/2026 +0 days VulDB entry created 04/27/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: 142 Status: Not defined CVE: CVE-2026-7223 (🔒) GCVE (CVE): GCVE-0-2026-7223 GCVE (VulDB): GCVE-100-359823 scip Labs: https://www.scip.ch/en/?labs.20161013 Entryinfo Created: 04/27/2026 17:43 Changes: 04/27/2026 17:43 (60) Complete: 🔍 Submitter: BruceJin Cache ID: 99:B3B:101 Submitinfo Accepted Submit #802265: BigSweetPotatoStudio HyperChat 2.0.0-alpha.63 Server-Side Request Forgery (by BruceJin) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸