CVE-2026-107174
MediumCVSS 6.4Summary
A flaw was found in source-to-image where unpacking archive files fails to properly sanitize symbolic links pointing to absolute file paths. An attacker supplying a malicious builder image can embed links pointing outside the extraction directory. This bypasses sandbox boundaries, potentially leading to unauthorized information disclosure or file modification on the host system.
Risk Assessment
An attacker can bypass the sandbox and access or modify host files, potentially resulting in data leakage or compromise of system integrity.
Recommendation
Upgrade source-to-image to a patched version. Avoid using untrusted builder images and verify their origin.
Related vulnerabilities
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OpenHands Software Agent SDK before 1.52.0 contains an unauthenticated remote code execution vulnerability. The DockerWorkspace and Apptainer workspace launchers bind the sandbox agent server to all network interfaces (0.0.0.0) with an empty session_api_keys list, disabling authentication by default.
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Original NVD description (English source)
A flaw was found in source-to-image. When unpacking archive files, the application fails to properly sanitize symbolic links pointing to absolute file paths. An attacker who supplies a malicious builder image can exploit this vulnerability by embedding links pointing outside the extraction directory. This allows the attacker to bypass sandbox boundaries, potentially leading to unauthorized information disclosure or file modification on the host system.
Vulnerability data from NVD (NIST) · CISA KEV · EPSS

