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CVE-2026-17106

Published Aug 18, 2026 CWE-59 EPSS 0.33% (25th pctl)

Overview

CVE-2026-17106 is a known-severity vulnerability. It was published on August 18, 2026.

Technical Description

The tar extraction routines in moby/go-archive (Unpack, UnpackLayer, Untar/UntarUncompressed, and the ApplyLayer helpers) do not confine filesystem operations to the destination directory. The extractor decides where each archive entry lands using lexical string checks and then performs the filesystem operation on a path that is resolved by the OS, so links introduced by the archive can be followed out of the destination directory. An attacker who controls the contents of an archive can create or overwrite files at arbitrary paths writable by the extracting process.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Ref docs.docker.com/desktop/release-notes/#4860 Ref docs.docker.com/engine/release-notes/29/#2970 GitHub github.com/docker/cli/releases/tag/v29.7.0 GitHub github.com/docker/compose/releases/tag/v5.4.0 GitHub github.com/docker/sbx-releases/releases/tag/v0.38.0 GitHub github.com/moby/go-archive/releases/tag/v0.3.0 GitHub github.com/moby/go-archive/security/advisories/GHSA-hfg8-hc9c-6c3h GitHub github.com/masasron/CopyEscape-CVE-2026-17106

Frequently Asked Questions

What is CVE-2026-17106?

CVE-2026-17106 is a known-severity vulnerability. It was published on August 18, 2026.

How severe is CVE-2026-17106?

CVSS score information is not yet available for this vulnerability. Check back as the CVE record is updated by NVD analysts.

How do I fix or remediate CVE-2026-17106?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-17106?

CyberStrike's AI-powered security agents can automatically detect CVE-2026-17106 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.

How CyberStrike Helps

Autonomous Discovery

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Code Review

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HackBrowser

Browser-based exploitation validates findings with real proof-of-concept.
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