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vuln-cve/data/2026/54xxx/CVE-2026-54526.json
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{
"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"
}
}
]
}
}