CVE-2026-105452: Information Disclosure

Description

Docker Sandboxes could forward a client-supplied credential alongside a credential injected by the host egress proxy. The proxy removed alternate credentials only when their values matched known sentinel values, so untrusted code in an authorized sandbox could supply an unrecognized credential in another supported authentication header. For affected upstream services, this could authenticate the request to an attacker-controlled account and expose data included in the request.

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Weakness Type (CWE)

CWE-200 CWE-200

References

Other References

https://docs.docker.com/ai/sandboxes/ https://docs.docker.com/ai/sandboxes/configuration/credentials/#how-credential-injection-works

Frequently Asked Questions

What is CVE-2026-105452? +

Docker Sandboxes could forward a client-supplied credential alongside a credential injected by the host egress proxy. The proxy removed alternate credentials only when their values matched known sentinel values, so untrusted code in an authorized sandbox could supply an unrecognized credential in another supported authentication header. For affected upstream services, this could authenticate the request to an attacker-controlled account and expose data included in the request.

How do I check if I'm vulnerable to CVE-2026-105452? +

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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