{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54526", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-06-15T18:40:01.651Z", "datePublished": "2026-07-16T19:07:30.804Z", "dateUpdated": "2026-07-17T13:57:43.413Z"}, "containers": {"cna": {"title": "Argo Workflows: Incomplete fix for CVE-2026-31892: ArtifactGC.PodSpecPatch bypass of Strict/Secure templateReferencing", "problemTypes": [{"descriptions": [{"cweId": "CWE-284", "lang": "en", "description": "CWE-284: Improper Access Control", "type": "CWE"}]}], "metrics": [{"cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "PRESENT", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "baseScore": 8.9, "baseSeverity": "HIGH", "vectorString": "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", "version": "4.0"}}], "references": [{"name": "https://github.com/argoproj/argo-workflows/security/advisories/GHSA-48p8-g2fx-3wwm", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/argoproj/argo-workflows/security/advisories/GHSA-48p8-g2fx-3wwm"}, {"name": "https://github.com/argoproj/argo-workflows/commit/277e9cef0ad16d7eaaab253573d0695951a65dbd", "tags": ["x_refsource_MISC"], "url": "https://github.com/argoproj/argo-workflows/commit/277e9cef0ad16d7eaaab253573d0695951a65dbd"}, {"name": "https://github.com/argoproj/argo-workflows/commit/358cc3968c8f06f1be0967e41df191088db0b662", "tags": ["x_refsource_MISC"], "url": "https://github.com/argoproj/argo-workflows/commit/358cc3968c8f06f1be0967e41df191088db0b662"}, {"name": "https://github.com/argoproj/argo-workflows/releases/tag/v3.7.15", "tags": ["x_refsource_MISC"], "url": "https://github.com/argoproj/argo-workflows/releases/tag/v3.7.15"}, {"name": "https://github.com/argoproj/argo-workflows/releases/tag/v4.0.6", "tags": ["x_refsource_MISC"], "url": "https://github.com/argoproj/argo-workflows/releases/tag/v4.0.6"}], "affected": [{"vendor": "argoproj", "product": "argo-workflows", "versions": [{"version": "< 3.7.15", "status": "affected"}, {"version": ">= 4.0.0, < 4.0.6", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-07-16T19:07:30.804Z"}, "descriptions": [{"lang": "en", "value": "Argo Workflows is an open source container-native workflow engine for orchestrating parallel jobs on Kubernetes. Prior to 3.7.15 and 4.0.6, the allow-list fix for CVE-2026-31892 is incomplete because workflow/util/merge.go ValidateUserOverrides and SanitizeUserWorkflowSpec walk only the top-level fields of WorkflowSpec via reflection, and WorkflowSpec.ArtifactGC is allow-listed wholesale; the struct behind that field, WorkflowLevelArtifactGC, has a PodSpecPatch sub-field whose contents flow unmodified into util.ApplyPodSpecPatch on the artifact-GC pod, the same sink the original fix closed for WorkflowSpec.PodSpecPatch, so a user submitting a Workflow under templateReferencing: Strict or Secure (against a referenced WorkflowTemplate that declares an output artifact and setting spec.artifactGC.strategy: OnWorkflowCompletion) can still inject an arbitrary strategic merge patch into the artifact-GC pod, including hostPath volumes, privileged: true, arbitrary image and command, and hostNetwork: true, defeating the stated purpose of Strict/Secure reference mode. This issue is fixed in versions 3.7.15 and 4.0.6."}], "source": {"advisory": "GHSA-48p8-g2fx-3wwm", "discovery": "UNKNOWN"}}, "adp": [{"references": [{"url": "https://github.com/argoproj/argo-workflows/security/advisories/GHSA-48p8-g2fx-3wwm", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-07-17T13:57:39.248649Z", "id": "CVE-2026-54526", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-17T13:57:43.413Z"}}]}}

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{}

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