CVE-2026-53476 Assisted-migration-agent: vddk tarball chained-symlink arbitrary file write
An unauthenticated LAN attacker can exploit path traversal in the assisted-migration-agent to write arbitrary files, potentially leading to unauthorized code execution.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53476?
CVE-2026-53476 is a critical path traversal vulnerability in kubev2v:assisted_migration_agent, published on 10 Jun 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A flaw was found in assisted-migration-agent. An unauthenticated attacker, located on the same local area network (LAN), can exploit a path traversal vulnerability. By crafting a specially designed gzipped tarball, the attacker can bypass security checks and write arbitrary files to the system. This could ultimately lead to the execution of unauthorized code on the appliance.
Which versions are affected by CVE-2026-53476?
3 open source packages ship an affected version, including github.com/kubev2v/assisted-migration-agent. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/kubev2v/assisted-migration-agent Go | All versions | 0.16.0 |
github.com/kubev2v/assisted-migration-agent Go | All versions | 0.16.0 |
github.com/kubev2v/assisted-migration-agent Go | All versions | 0.16.0 |
Products include Kubev2v Assisted Migration Agent.
How do I fix CVE-2026-53476?
Upgrade github.com/kubev2v/assisted-migration-agent to 0.16.0 or later.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-53476 being exploited?
There is no known exploitation of CVE-2026-53476 in the wild and no public exploit code.
Other vulnerabilities in kubev2v:assisted_migration_agent
Sources
Also known as GHSA-7j4w-x8x8-5mvg, GO-2026-6231.