TI-2026-21564 Aliases CVE-2026-27112 GHSA-7g9x-cp9g-92mr

Kargo has an Authorization Bypass Vulnerability in Batch Resource Creation API Endpoints

MEDIUM 49CWE-863Published 2026-02-20 · Updated 2026-02-24

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub. Impact type from CWE-863.

Summary

Kargo manages and automates the promotion of software artifacts. From 1.7.0 to before v1.7.8, v1.8.11, and v1.9.3, the batch resource creation endpoints of both Kargo's legacy gRPC API and newer REST API accept multi-document YAML payloads. Specially crafted payloads can manifest a bug present in the logic of both endpoints to inject arbitrary resources (of specific types only) into the underlying namespace of an existing Project using the API server's own permissions when that behavior was not intended. Critically, an attacker may exploit this as a vector for elevating their own permissions, which can then be leveraged to achieve remote code execution or secret exfiltration. Exfiltrated artifact repository credentials can be leveraged, in turn, to execute further attacks. In some configurations of the Kargo control plane's underlying Kubernetes cluster, elevated permissions may additionally be leveraged to achieve remote code execution or secret exfiltration using kubectl. This can reduce the complexity of the attack, however, worst case scenarios remain entirely achievable even without this. This vulnerability is fixed in v1.7.8, v1.8.11, and v1.9.3.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00491 42nd percentileScored 2026-11-07

Fix Fixed kargo (akuity): 1.9.3, 1.8.11, 1.7.8github.com/akuity/kargo (Go): 1.9.3, 1.8.11, 1.7.8

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
akuity	kargo	1.9.0-rc.1 to before 1.9.3; 1.8.0-rc.1 to before 1.8.11; 1.7.0 to before 1.7.8	1.9.3, 1.8.11, 1.7.8	Patch available	CNA
—	github.com/akuity/kargo (Go)	1.9.0-rc.1 to before 1.9.3	1.9.3	Patch available	GHSA-7g9x-cp9g-92mr
—	github.com/akuity/kargo (Go)	1.8.0-rc.1 to before 1.8.11	1.8.11	Patch available	GHSA-7g9x-cp9g-92mr
—	github.com/akuity/kargo (Go)	1.7.0 to before 1.7.8	1.7.8	Patch available	GHSA-7g9x-cp9g-92mr

kargo Vendorakuity Affected 1.9.0-rc.1 to before 1.9.3; 1.8.0-rc.1 to before 1.8.11; 1.7.0 to before 1.7.8 Fixed in 1.9.3, 1.8.11, 1.7.8 Patch available CNA
github.com/akuity/kargo (Go) Vendor— Affected 1.9.0-rc.1 to before 1.9.3 Fixed in 1.9.3 Patch available GHSA-7g9x-cp9g-92mr
github.com/akuity/kargo (Go) Vendor— Affected 1.8.0-rc.1 to before 1.8.11 Fixed in 1.8.11 Patch available GHSA-7g9x-cp9g-92mr
github.com/akuity/kargo (Go) Vendor— Affected 1.7.0 to before 1.7.8 Fixed in 1.7.8 Patch available GHSA-7g9x-cp9g-92mr

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:akuity:kargo::::::kubernetes::*	1.7.0 to before 1.7.8; 1.8.0 to before 1.8.11; 1.9.0 to before 1.9.3	Vulnerable	akuity

cpe:2.3:a:akuity:kargo:*:*:*:*:*:kubernetes:*:* Versions 1.7.0 to before 1.7.8; 1.8.0 to before 1.8.11; 1.9.0 to before 1.9.3 Vulnerable ·akuity

Remediation

Fix · CNA kargo (akuity) Fixed in 1.9.3, 1.8.11, 1.7.8
Fix · GHSA-7g9x-cp9g-92mr github.com/akuity/kargo (Go) Fixed in 1.9.3 Advisory →
Fix · GHSA-7g9x-cp9g-92mr github.com/akuity/kargo (Go) Fixed in 1.8.11 Advisory →
Fix · GHSA-7g9x-cp9g-92mr github.com/akuity/kargo (Go) Fixed in 1.7.8 Advisory →

Timeline

2026-10-02 Threatist record created from CVE-2026-27112
2026-10-03 Alias added: GHSA-7g9x-cp9g-92mr
2026-10-25 EPSS moved to the below the 50th percentile

References

Patch 1

https://github.com/akuity/kargo/commit/155c6852ffbffa2902f18e6c7add91a846e8d344

Advisory 2

Other 1

https://github.com/akuity/kargo

TI-2026-19953 Kargo's `GetConfig()` and `RefreshResource()` API endpoints allow unauthenticated access CVSS 4.0MEDIUM 6.9
TI-2026-21563 Kargo has Missing Authorization Vulnerabilities in Approval & Promotion REST API Endpoints CVSS 4.0MEDIUM 5.3
TI-2026-25295 Kargo: SSRF in Promotion http/http-download Steps Enables Internal Network Access and Data Exfiltration CVSS 4.0MEDIUM 5.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences