CVE-2026-31892highCWE-807CWE-863

CVE-2026-31892: fallo de gravedad alta en argoproj argo-workflows

WorkflowTemplate Security Bypass via podSpecPatch in Strict/Secure Reference Mode

Publicada el · Actualizada el

21Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackcvss 8.9epss 0.7%
probabilidad de explotación
0.7%top 50% de las CVE
explotación observada
noninguna fuente lo reporta
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. From 2.9.0 to before 4.0.2 and 3.7.11, A user who can submit Workflows can completely bypass all security settings defined in a WorkflowTemplate by including a podSpecPatch field in their Workflow submission. This works even when the controller is configured with templateReferencing: Strict, which is specifically documented as a mechanism to restrict users to admin-approved templates. The podSpecPatch field on a submitted Workflow takes precedence over the referenced WorkflowTemplate during spec merging and is applied directly to the pod spec at creation time with no security validation. This vulnerability is fixed in 4.0.2 and 3.7.11.
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:H
Productos afectados
argoproj · argo-workflows
CVEs relacionadas — argoproj argo-workflows

En el mismo producto, de las más peligrosas a las menos.

CVE-2022-29164HIGHPrivilege Escalation in argo-workflowsEPSS 0.9%CVE-2026-28229CRITICALArgo Workflows has unauthorized access to Argo Workflows TemplateEPSS 0.8%CVE-2026-42294HIGHArgo Workflows: Unauthenticated Memory Exhaustion (DoS) in Webhook InterceptorEPSS 0.7%CVE-2025-66626HIGHargoproj/argo-workflows is vulnerable to RCE via ZipSlip and symbolic linksEPSS 0.7%CVE-2024-53862MEDIUMArgo Workflows Allows Access to Archived Workflows with Fake Token in `client` modeEPSS 0.7%CVE-2026-40886HIGHArgo Workflows: Unchecked annotation parsing in pod informer crashes Argo Workflows controllerEPSS 0.6%
Referencias
https://access.redhat.com/errata/RHSA-2026:10184https://access.redhat.com/security/cve/CVE-2026-31892https://bugzilla.redhat.com/show_bug.cgi?id=2446551https://github.com/argoproj/argo-workflows/security/advisories/GHSA-3wf5-g532-rcrrhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-31892.json