What is CVE-2026-27112?

CVE-2026-27112 is a critical-severity vulnerability in Akuity Kargo, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2026-02-20.

How severe is CVE-2026-27112?

Critical severity. CVSS v3 base score is 9.9 out of 10.

Auth bypass in Akuity Kargo

CVE-2026-27112

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…

Vulnerability class: Broken Access Control

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.9 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

Affected products

Akuity Kargo — versions >= 1.9.0-rc.1, < 1.9.3, >= 1.8.0-rc.1, < 1.8.11, >= 1.7.0, < 1.7.8

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
security-advisories@github.com (Patch, x_refsource_MISC)

Frequently asked questions

What is CVE-2026-27112?: CVE-2026-27112 is a critical-severity vulnerability in Akuity Kargo, classified under Incorrect Authorization. CVSS score: 9.9/10. Published 2026-02-20.
How severe is CVE-2026-27112?: Critical severity. CVSS v3 base score is 9.9 out of 10.