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Malicious website can execute commands on the local system through XSS in the OpenCode web UI

🗓️ 13 Jan 2026 20:36:41Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 17 Views

Malicious site can exploit OpenCode UI XSS to run commands on the local machine via the /pty/ API.

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13 Jan 2026 20:36Current
6.6Medium risk
Vulners AI Score6.6
CVSS 3.16.1
CVSS 49.4
EPSS0.00043
SSVC
17