Is there a public exploit for CVE-2026-103916?

No public exploit for CVE-2026-103916 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-103916?

CVE-2026-103916 scores CVSS 8.4 (v4.0), rated high.

What does CVE-2026-103916 affect?

CVE-2026-103916 affects Docker Docker Sandboxes.

8.4 High

Docker Sandboxes sbx cp does not safely confine host-side paths to a shared workspace.

CVE-2026-103916

Docker Sandboxes sbx cp does not safely confine host-side paths to a shared workspace. A malicious sandbox can create or replace a workspace symlink so that a later user-initiated copy reads a host file outside the workspace into the sandbox or writes sandbox-controlled data to a host path outside the workspace with the invoking user's permissions.

Assessment

CVSS: 8.4 (v4.0)
Severity: High
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 3 November 2026
Last updated: 3 November 2026
Affected: Docker · Docker Sandboxes
Assigner: Docker

CVSS vectorCVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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