{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42297","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-26T12:13:55.552Z","datePublished":"2026-05-09T03:42:43.305Z","dateUpdated":"2026-05-12T02:23:10.943Z"},"containers":{"cna":{"title":"Argo Workflows Is Missing Authorization in Sync ConfigMap Provider","problemTypes":[{"descriptions":[{"cweId":"CWE-862","lang":"en","description":"CWE-862: Missing Authorization","type":"CWE"}]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":8.5,"baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:H/VA:H/SC:N/SI:H/SA:H","version":"4.0"}}],"references":[{"name":"https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76q","tags":["x_refsource_CONFIRM"],"url":"https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76q"},{"name":"https://github.com/argoproj/argo-workflows/commit/09fff05e0830c14a5e36cc40597ad84881db1ab6","tags":["x_refsource_MISC"],"url":"https://github.com/argoproj/argo-workflows/commit/09fff05e0830c14a5e36cc40597ad84881db1ab6"},{"name":"https://github.com/argoproj/argo-workflows/releases/tag/v4.0.5","tags":["x_refsource_MISC"],"url":"https://github.com/argoproj/argo-workflows/releases/tag/v4.0.5"}],"affected":[{"vendor":"argoproj","product":"argo-workflows","versions":[{"version":">= 4.0.0, < 4.0.5","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-09T03:42:43.305Z"},"descriptions":[{"lang":"en","value":"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, the Sync Service's ConfigMap-backed provider (server/sync/sync_cm.go) performs zero authorization checks on all CRUD operations (create, read, update, delete). Any authenticated user — including those using fake Bearer tokens — can create, read, update, and delete Kubernetes ConfigMaps containing synchronization limits. This issue has been patched in version 4.0.5."}],"source":{"advisory":"GHSA-xchc-cqwg-g76q","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/argoproj/argo-workflows/security/advisories/GHSA-xchc-cqwg-g76q","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-12T02:22:39.608385Z","id":"CVE-2026-42297","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-12T02:23:10.943Z"}}]}}