CVE-2026-53470 Migration-planner: getsourcedownloadurl missing organization check
An authenticated attacker can bypass ownership checks to download other users' OVA images, exposing sensitive JWTs and configurations.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-53470?
CVE-2026-53470 is a critical missing authorization vulnerability in kebev2v:migration_assessment, published on 10 Jun 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A flaw was found in migration-planner. An authenticated attacker could exploit an improper access control vulnerability in the `/api/v1/sources/{id}/image-url` endpoint. This flaw allows the attacker to bypass an ownership check and obtain presigned S3 URLs for Open Virtual Appliance (OVA) images belonging to other users. Consequently, the attacker can download OVA images containing sensitive information, such as long-lived agent JSON Web Tokens (JWTs) and source configurations, potentially leading to unauthorized access and modification of the victim's source.
Weakness: CWE-639
Which versions are affected by CVE-2026-53470?
3 open source packages ship an affected version, including github.com/kubev2v/migration-planner. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
github.com/kubev2v/migration-planner Go | All versions | 0.13.5 |
github.com/kubev2v/migration-planner Go | All versions | 0.13.5 |
github.com/kubev2v/migration-planner Go | All versions | 0.13.5 |
Products include Kebev2v Migration Assessment.
How do I fix CVE-2026-53470?
Upgrade github.com/kubev2v/migration-planner to 0.13.5 or later.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-53470 being exploited?
There is no known exploitation of CVE-2026-53470 in the wild and no public exploit code.
Other vulnerabilities in kebev2v:migration_assessment
Sources
Also known as GHSA-v5m8-5455-qw2x, GO-2026-6229.