CVE-2025-58766

Description

Dyad is a local AI app builder. A critical security vulnerability has been discovered that affected Dyad v0.19.0 and earlier versions that allows attackers to execute arbitrary code on users' systems. The vulnerability affects the application's preview window functionality and can bypass Docker container protections. An attacker can craft web content that automatically executes when the preview loads. The malicious content can break out of the application's security boundaries and gain control of the system. This has been fixed in Dyad v0.20.0 and later.

CVSS v3.1 Score

9.0

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-94 CWE-94

References

Other References

https://github.com/dyad-sh/dyad/commit/1c0255ab126d3b38ae9e78b17cdab9a07e5f0185 https://github.com/dyad-sh/dyad/commit/ebcf89ee6cead83a33add5ef1e19c8d4f9b4ce9b https://github.com/dyad-sh/dyad/security/advisories/GHSA-7fxm-c5xx-7vpq

Frequently Asked Questions

What is CVE-2025-58766? +

Dyad is a local AI app builder. A critical security vulnerability has been discovered that affected Dyad v0.19.0 and earlier versions that allows attackers to execute arbitrary code on users' systems. The vulnerability affects the application's preview window functionality and can bypass Docker container protections. An attacker can craft web content that automatically executes when the preview loads. The malicious content can break out of the application's security boundaries and gain control of the system. This has been fixed in Dyad v0.20.0 and later. It has a CVSS v3.1 base score of 9.0 (CRITICAL).

How severe is CVE-2025-58766? +

CVE-2025-58766 has a CVSS v3.1 score of 9.0 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2025-58766? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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