CVE-2026-79767Gardener: Authorization Bypass via Group Subject Injection
Updated under an hour ago ()
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No exploitation reported and no EPSS estimate yet.
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Gardener implements the automated management and operation of Kubernetes clusters as a service. Prior to 1.142.6, 1.143.3, 1.144.2, and 1.145.0, the customverbauthorizer admission plugin's mustCheckProjectMembers manage-members check compares changes to User subjects but does not account for Group or ServiceAccount subjects in Project.spec.members. A project administrator who lacks manage-members permission can add arbitrary Group or ServiceAccount subjects, including the system:authenticated Group, and thereby grant broad project access. The resulting access can include Shoots, Secrets, and cloud provider credentials. This issue is fixed in versions 1.142.6, 1.143.3, 1.144.2, and 1.145.0.
- CVSS
- 5.5 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:H/A:N
- Weakness (CWE)
- CWE-863
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- Not loaded for this CVE
- Assigned by
- GitHub_M
- NVD analysis
- Awaiting Analysis
- Record last updated
- Sep 23, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
gardener gardener gardener:gardener (from the name) | before 1.142.6; from 1.143.0, < 1.143.3; from 1.144.0, < 1.144.2 | CNA record |
References
- https://github.com/gardener/gardener/security/advisories/GHSA-gfjv-gqf2-c888x-refsource-confirm
- https://github.com/gardener/gardener/pull/15080x-refsource-misc
- https://github.com/gardener/gardener/commit/63751db97dca6cc5ee5f966d4963415de6ae5545x-refsource-misc
- https://github.com/gardener/gardener/releases/tag/v1.144.2x-refsource-misc
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.