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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-27111

19
FAUCET Score

CVE-2026-27111 is an authorization bypass vulnerability affecting Kargo versions 1.9.0 to 1.9.2, where specific REST API endpoints fail to enforce the intended "promote" verb. This allows users with standard Kubernetes RBAC permissions to trigger promotions, bypassing fine-grained access controls. Rated Medium (CVSS 5.0), the vulnerability has a network attack vector, low attack complexity, and could lead to unauthorized modification of promotion pipelines. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, though it has received limited media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 1.9.0, < 1.9.3CPE matchmatch criteria
cpe:2.3:a:akuity:kargo:*:*:*:*:*:kubernetes:*:*

CVSS Data

CVSS version used by this source: 4.0

5.3MEDIUM

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
VS Confidentiality
NONE
VS Integrity
LOW
VS Availability
NONE
SS Confidentiality
NONE
SS Integrity
LOW
SS Availability
NONE
Exploit Maturity
NOT_DEFINED
CvssVersion
4.0

Exploit Intelligence

EPSS Score
0.18%
Probability of exploitation in next 30 days
EPSS Percentile
7.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0018 is in the 3rd percentile among its peer group of 21,974 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
gopatch availablevia ghsa
Product: github.com/akuity/kargoFixed in: 1.9.3

Vendor Advisories (1)

goGHSA-5vvm-67pj-72g4medium

Kargo has Missing Authorization Vulnerabilities in Approval & Promotion REST API Endpoints

Feb 19, 2026

References

github.com / akuity/kargo/commit/833314cad5513d48d89431493325ae44c1324a49
Patch
github.com / akuity/kargo/security/advisories/GHSA-5vvm-67pj-72g4
Vendor Advisory