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SCA: security update for github.com/argoproj/argo-workflows/v4 (GHSA-p4gq-3vxj-f4jq)

low Tenable Self-Hosted Container Security Plugin ID 441120

Description

There are packages installed that are affected by a vulnerability referenced in the following CVE:

 - Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on
 Kubernetes. From version 4.0.0 to before version 4.0.5, a nil pointer dereference in
 server/auth/gatekeeper.go rbacAuthorization() causes a panic (denial of service) for SSO users whose
 claims match a namespace-level RBAC rule but not an SSO-namespace rule, when
 SSO_DELEGATE_RBAC_TO_NAMESPACE=true. This issue has been patched in version 4.0.5. (CVE-2026-42183)

Solution

Update the github.com/argoproj/argo-workflows/v4 library and its related packages to version 4.0.5 or later.

See Also

https://github.com/advisories/GHSA-p4gq-3vxj-f4jq

Plugin Details

Severity: Low

ID: 441120

Version: Revision 1.7

Type: Local

Family: SCA Checks

Published: 5/5/2026

Updated: 7/2/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 3

Percentile: 23.73

Vendor

Vendor Severity: Low

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:L/Au:S/C:N/I:N/A:C

CVSS Score Source: CVE-2026-42183

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Low

Base Score: 2.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/4/2026

Vulnerability Publication Date: 5/4/2026

Reference Information

CVE: CVE-2026-42183

cwe: CWE-476