CVE-2026-24748 Kargo's `GetConfig()` and `RefreshResource()` API endpoints allow unauthenticated access

Medium 6.9 Published Updated

Unauthenticated attackers can bypass authentication to read configuration data or cause denial of service in Kargo.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is CVE-2026-24748?

CVE-2026-24748 is a medium-severity authentication bypass vulnerability in akuity kargo, published on 27 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Kargo manages and automates the promotion of software artifacts. Prior to versions 1.8.7, 1.7.7, and 1.6.3, a bug was found with authentication checks on the `GetConfig()` API endpoint. This allowed unauthenticated users to access this endpoint by specifying an `Authorization` header with any non-empty `Bearer` token value, regardless of validity. This vulnerability did allow for exfiltration of configuration data such as endpoints for connected Argo CD clusters. This data could allow an attacker to enumerate cluster URLs and namespaces for use in subsequent attacks. Additionally, the same bug affected the `RefreshResource` endpoint. This endpoint does not lead to any information disclosure, but could be used by an unauthenticated attacker to perform a denial-of-service style attack against the Kargo API. `RefreshResource` sets an annotation on specific Kubernetes resources to trigger reconciliations. If run on a constant loop, this could also slow down legitimate requests to the Kubernetes API server. This problem has been patched in Kargo versiosn 1.8.7, 1.7.7, and 1.6.3. There are no workarounds for this issue.

Weakness: CWE-863

Which versions are affected by CVE-2026-24748?

7 open source packages ship an affected version, including github.com/akuity/kargo. It affects 1 product.

PackageAffectedFixed in
github.com/akuity/kargo GoAll versions1.6.3, 1.7.7, 1.8.7
github.com/akuity/kargo GoAll versions1.6.3
github.com/akuity/kargo GoAll versions1.6.3
github.com/akuity/kargo GoFrom 1.7.0-rc.11.7.7
github.com/akuity/kargo GoFrom 1.7.0-rc.11.7.7
github.com/akuity/kargo GoFrom 1.8.0-rc.11.8.7
1 more packages
github.com/akuity/kargo GoFrom 1.8.0-rc.11.8.7

Products include Akuity Kargo.

How do I fix CVE-2026-24748?

Upgrade github.com/akuity/kargo to a fixed version for your release line: 1.6.3, 1.7.7 or 1.8.7.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-24748 being exploited?

There is no known exploitation of CVE-2026-24748 in the wild and no public exploit code.

Sources

Also known as GHSA-w5wv-wvrp-v5m5, GO-2026-4385.

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