Medium severity5.4OSV Advisory· Published Jan 21, 2026· Updated Jul 15, 2026
CVE-2026-23960
CVE-2026-23960
Description
Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to versions 3.6.17 and 3.7.8, stored XSS in the artifact directory listing allows any workflow author to execute arbitrary JavaScript in another user’s browser under the Argo Server origin, enabling API actions with the victim’s privileges. Versions 3.6.17 and 3.7.8 fix the issue.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
github.com/argoproj/argo-workflows/v3Go | < 3.6.17 | 3.6.17 |
github.com/argoproj/argo-workflows/v3Go | >= 3.7.0, < 3.7.8 | 3.7.8 |
github.com/argoproj/argo-workflowsGo | <= 2.5.3-rc4 | — |
Affected products
30ui-v3-rc1, v2.0.0, v2.0.0-alpha1, …+ 1 more
- (no CPE)range: ui-v3-rc1, v2.0.0, v2.0.0-alpha1, …
- cpe:2.3:a:argoproj:argo_workflows:*:*:*:*:*:go:*:*range: <3.6.17
- osv-coords28 versionspkg:apk/chainguard/argo-workflow-controller-3.7pkg:apk/chainguard/argo-workflow-controller-4.0pkg:apk/chainguard/argo-workflow-controller-fips-4.0pkg:apk/chainguard/argo-workflow-executor-3.7pkg:apk/chainguard/argo-workflow-executor-4.0pkg:apk/chainguard/argo-workflow-executor-fips-4.0pkg:apk/chainguard/argo-workflows-3.7pkg:apk/chainguard/argo-workflows-4.0pkg:apk/chainguard/argo-workflows-fips-4.0pkg:apk/chainguard/kubeflow-pipelines-apiserverpkg:apk/chainguard/kubeflow-pipelines-cache_serverpkg:apk/chainguard/kubeflow-pipelines-persistence_agentpkg:apk/chainguard/kubeflow-pipelines-scheduledworkflowpkg:apk/wolfi/argo-workflow-controller-3.7pkg:apk/wolfi/argo-workflow-controller-4.0pkg:apk/wolfi/argo-workflow-executor-3.7pkg:apk/wolfi/argo-workflow-executor-4.0pkg:apk/wolfi/argo-workflows-3.7pkg:apk/wolfi/argo-workflows-4.0pkg:apk/wolfi/kubeflow-pipelines-apiserverpkg:apk/wolfi/kubeflow-pipelines-cache_serverpkg:apk/wolfi/kubeflow-pipelines-persistence_agentpkg:apk/wolfi/kubeflow-pipelines-scheduledworkflowpkg:bitnami/argo-workflowspkg:golang/github.com/argoproj/argo-workflowspkg:golang/github.com/argoproj/argo-workflows/v3pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2015.6pkg:rpm/opensuse/govulncheck-vulndb&distro=openSUSE%20Leap%2016.0
< 3.7.8-r0+ 27 more
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 3.7.8-r0
- (no CPE)range: < 4.0.2-r0
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 2.15.0-r8
- (no CPE)range: < 3.6.17
- (no CPE)range: <= 2.5.3-rc4
- (no CPE)range: < 3.6.17
- (no CPE)range: < 0.0.20260205T172317-150000.1.146.1
- (no CPE)range: < 0.0.20260723T184607-160000.1.1
Patches
Vulnerability mechanics
References
10- github.com/argoproj/argo-workflows/commit/159a5c56285ecd4d3bb0a67aeef4507779a44e17nvdPatchWEB
- github.com/argoproj/argo-workflows/security/advisories/GHSA-cv78-6m8q-ph82nvdExploitVendor AdvisoryWEB
- github.com/advisories/GHSA-cv78-6m8q-ph82ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2026-23960ghsaADVISORY
- github.com/argoproj/argo-workflows/blob/9872c296d29dcc5e9c78493054961ede9fc30797/server/artifacts/artifact_server.gonvdProductWEB
- github.com/argoproj/argo-workflows/releases/tag/v3.6.17nvdProductRelease NotesWEB
- github.com/argoproj/argo-workflows/releases/tag/v3.7.8nvdProductRelease NotesWEB
- access.redhat.com/security/cve/CVE-2026-23960nvd
- bugzilla.redhat.com/show_bug.cginvd
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23960.jsonnvd
News mentions
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