CVE-2026-28229 is a high-severity vulnerability affecting Argo Workflows versions prior to 4.0.2 and 3.7.11. This flaw allows unauthorized clients to retrieve WorkflowTemplates and ClusterWorkflowTemplates, including sensitive embedded Secret manifests, by presenting a malformed bearer token. Rated with a CVSS score of 7.5 (HIGH), it has a low attack complexity and requires no privileges or user interaction, making it easily exploitable over the network for high confidentiality impact. There is currently no evidence of active exploitation, public exploit code, or significant community attention, and it is not listed on the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.7.0, < 3.7.11CPE matchmatch criteria | cpe:2.3:a:argoproj:argo_workflows:*:*:*:*:*:go:*:* | ||
>= 4.0.0, < 4.0.2CPE matchmatch criteria | cpe:2.3:a:argoproj:argo_workflows:*:*:*:*:*:go:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.