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MEDIUM5.5

GO-2026-6568

Gardener: Authorization Bypass via Group Subject Injection in gardener/gardener

Quick fix

GO-2026-6568 — github.com/gardener/gardener: upgrade to the fixed version with the command below.

go get github.com/gardener/gardener@v1.142.6

Details

Gardener: Authorization Bypass via Group Subject Injection in gardener/gardener.

NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.

(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)

The additional affected modules and versions are: github.com/gardener/gardener from v1.143.0 before v1.143.3, from v1.144.0 before v1.144.2.

Are you affected?

Enter the version of the package you're using.

Affected packages

Go/github.com/gardener/gardener
Introduced in: 0

No fixed version published yet for github.com/gardener/gardener (go modules). Pin to a known-safe version or switch to an alternative.

Go/github.com/gardener/gardener
Introduced in: 0Fixed in: 1.142.6
Fixgo get github.com/gardener/gardener@v1.142.6

References