CVE-2026-27111

Source
https://cve.org/CVERecord?id=CVE-2026-27111
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27111.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-27111
Aliases
Downstream
Related
Published
2026-02-20T21:17:07.383Z
Modified
2026-03-04T22:29:00.513458Z
Severity
  • 5.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:L/SA:N CVSS Calculator
Summary
Kargo has Missing Authorization Vulnerabilities in Approval & Promotion REST API Endpoints
Details

Kargo manages and automates the promotion of software artifacts. From v1.9.0 to v1.9.2, Kargo's authorization model includes a promote verb -- a non-standard Kubernetes "dolphin verb" -- that gates the ability to advance Freight through a promotion pipeline. This verb exists to separate the ability to manage promotion-related resources from the ability to trigger promotions, enabling fine-grained access control over what is often a sensitive operation. The promote verb is correctly enforced in Kargo's legacy gRPC API. However, three endpoints in the newer REST API omit this check, relying only on standard Kubernetes RBAC for the underlying resource operations (patch on freights/status or create on promotions). This permits users who hold those standard permissions -- but who were deliberately not granted promote -- to bypass the intended authorization boundary. The affected endpoints are /v1beta1/projects/{project}/freight/{freight}/approve, /v1beta1/projects/{project}/stages/{stage}/promotions, and /v1beta1/projects/{project}/stages/{stage}/promotions/downstream. This vulnerability is fixed in v1.9.3.

Database specific
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27111.json",
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-862"
    ]
}
References

Affected packages

Git / github.com/akuity/kargo

Affected ranges

Type
GIT
Repo
https://github.com/akuity/kargo
Events

Affected versions

v1.*
v1.9.0
v1.9.1
v1.9.2

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-27111.json"